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Statistica version 13.0 pl

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Statistica version 13.0 PL is a software package designed for statistical analysis and data mining. It provides a comprehensive set of tools for data management, analysis, and visualization. The software is capable of handling a wide range of data types and offers a variety of statistical techniques, including regression, clustering, and time series analysis.

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Statistica 13.1 (1871 citations) Statistica (1482 citations) Statistica version 13.3 (278 citations) Statistica 13 PL (64 citations) Statistica 13.0 PL (25 citations) Statistica PL version 13.0 (2 citations)

8 protocols using statistica version 13.0 pl

1

Mortality and Perioperative Outcomes

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The primary outcome was the mortality rate. The secondary outcomes were the following perioperative features: complication rate, surgery duration, intensive care unit (ICU) admission, and readmission rate. All data were analyzed with Statistica version 13.0 PL (StatSoft Inc., Tulsa, OK, USA). Continuous results are presented as the median and interquartile range (IQR). Categorical variables were compared by the chi-square test. The Shapiro–Wilk test was used to check for the normal distribution of data, and Student’s t-test was used for normally distributed quantitative data. For non-normally distributed quantitative variables, the Mann–Whitney U test was used. A p-value < 0.05 was considered statistically significant. All considerable patient and treatment-related factors were analyzed with univariate logistic regression models in search of risk factors for mortality and morbidity. Receiver operating curves (ROC) were used to set cut-off points for frailty regarding psoas muscle area/height (PMA), sarcopenic obesity (SO), aortic calcification (AC), osteopenia and kidney volume (KV).
Kołodziejska K., Witowski J., Tylec P., Grochowska A., Przytuła N., Lis M., Pędziwiatr M, & Rubinkiewicz M. (2022). Radiological Features for Frailty Assessment in Patients Requiring Emergency Laparotomy. Journal of Clinical Medicine, 11(18), 5365.
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2

Risk Factors for Low Anterior Resection Syndrome

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All data were analyzed with Statistica version 13.0 PL (StatSoft Inc., Tulsa, OK, USA). Continuous results are presented as median and interquartile range (IQR). Categorical variables were compared by chi-square test. The Shapiro-Wilk test was used to check for normal distribution of data, and Student’s t-test was used for normally distributed quantitative data. For non-normally distributed quantitative variables, Mann-Whitney U test was used. A p-value < 0.05 was considered statistically significant. All considerable patient- and treatment-related factors were analyzed with logistic regression models in search of risk factors for LARS.
The study was approved by the local ethics committee. Each patient signed an informed consent before inclusion in the study.
Rubinkiewicz M., Zarzycki P., Witowski J., Pisarska M., Gajewska N., Torbicz G., Nowakowski M., Major P., Budzyński A, & Pędziwiatr M. (2019). Functional outcomes after resections for low rectal tumors: comparison of Transanal with laparoscopic Total Mesorectal excision. BMC Surgery, 19, 79.
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3

Statistical Analysis of Clinical Data

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All data were analyzed using Statistica version 13.0 PL (StatSoft Inc., Tulsa, OK, USA). The results are presented as mean and SD, median, and IQR. The chi-squared test of independence was used for evaluating categorical variables. The Shapiro–Wilk test was used to check for normal distribution of data and Student’s t-test was used for normally distributed quantitative data. The Mann–Whitney U test was used for non-normally distributed quantitative variables. Statistical significance was set at P<0.05.
All procedures were performed in accordance with the ethical standards of the 1964 Declaration of Helsinki and its later amendments (Fortaleza 2013). The study was approved by the Local Ethics Committee of the Jagiellonian University Medical College. Every patient signed an informed consent prior to inclusion in the study.
Rubinkiewicz M., Nowakowski M., Wierdak M., Mizera M., Dembiński M., Pisarska M., Major P., Małczak P., Budzyński A, & Pędziwiatr M. (2018). Transanal total mesorectal excision for low rectal cancer: a case-matched study comparing TaTME versus standard laparoscopic TME. Cancer Management and Research, 10, 5239-5245.
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4

Statistical Analysis of Clinical Study

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All data were analyzed with Statistica version 13.0 PL (StatSoft Inc., Tulsa, OK, USA). The results were expressed as mean and standard deviation (SD) and median. The χ2-test of independence was used to evaluate categorical variables. The Shapiro-Wilk test was used to check for normal distribution of data and the Student’s t test was used for normally distributed quantitative data. For non-normally distributed quantitative variables, the Mann-Whitney U test was used. The level of statistical significance was set at p<0.05.
All procedures were performed in accordance with ethical standards of the 1964 Declaration of Helsinki and its later amendments (Fortaleza 2013). The study was approved by the local Ethics Committee. Each patient signed an informed consent prior to inclusion in the study.
Rubinkiewicz M., Siemińska I., Małczak P., Major P., Baran J., Budzyński A, & Pędziwiatr M. (2019). Perioperative changes in lymphocyte subpopulations in patients undergoing surgery for colorectal cancer. Acta Clinica Croatica, 58(2), 337-342.
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5

Statistical Analysis of Clinical Study

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All data were analysed with Statistica version 13.0 PL (StatSoft Inc., Tulsa, OK, USA). The results are presented as mean and standard deviation (SD), median, and interquartile range (IQR). The chi-square test of independence was used for evaluating categorical variables. The Shapiro-Wilk test was used to check for normal distribution of data, and the Student t test was used for normally distributed quantitative data. For non-normally distributed quantitative variables, the Mann-Whitney U test was used. P value < 0.05 was considered statistically significant.
All procedures were performed in accordance with the ethical standards of the 1964 Declaration of Helsinki and its later amendments (Fortaleza 2013). The study was approved by the Local Ethics Committee (No. 122.6120.198.2016). Every patient signed an informed consent prior to inclusion in the study.
Rubinkiewicz M., Zarzycki P., Czerwińska A., Wysocki M., Gajewska N., Torbicz G., Budzyński A, & Pędziwiatr M. (2018). A quest for sphincter-saving surgery in ultralow rectal tumours—a single-centre cohort study. World Journal of Surgical Oncology, 16, 218.
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6

Risk Factors for Bowel Dysfunction

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All data were analysed with Statistica version 13.0 PL (StatSoft Inc., Tulsa, OK, USA). The results are presented as mean, standard deviation (SD), median, and interquartile range (IQR). The study of categorical variables used the χ2 test of independence. The Shapiro-Wilk test was used to check for normal distribution of data, and Student’s t test was used for normally distributed quantitative data. For non-normally distributed quantitative variables, the Mann-Whitney U test was used. A p-value < 0.05 was considered statistically significant. All considerable patient- and treatment-related factors were analysed in univariate logistic regression models, then significant factors were analysed in the multiple logistic regression model in search of independent risk factors for LARS.
The study was approved by the local ethics committee. Each patient signed an informed consent form before inclusion in the study.
Nowakowski M.M., Rubinkiewicz M., Gajewska N., Torbicz G., Wysocki M., Małczak P., Major P., Wierdak M., Budzyński A, & Pędziwiatr M. (2018). Defunctioning ileostomy and mechanical bowel preparation may contribute to development of low anterior resection syndrome. Videosurgery and other Miniinvasive Techniques, 13(3), 306-314.
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7

Statistical Analysis of Experimental Data

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All data analyses were conducted using StatSoft Statistica version 13.0 PL software and p value < 0.05 was considered as significant. Shapiro-Wilk test was utilized to verify the normality of variables. The results were analysed using the following statistical tests: one-way ANOVA, Kruskall-Wallis ANOVA, Mann-Whitney U test and regression analysis. For qualitative variables, a chi2 test was used.
Czech I., Fuchs P., Fuchs A., Lorek M., Tobolska-Lorek D., Drosdzol-Cop A, & Sikora J. (2018). Pharmacological and Non-Pharmacological Methods of Labour Pain Relief—Establishment of Effectiveness and Comparison. International Journal of Environmental Research and Public Health, 15(12), 2792.
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8

Identifying Risk Factors for Prolonged Hospital Stay

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All data were analysed with Statistica version 13.0 PL (StatSoft Inc., Tulsa, OK, USA). The results are presented as mean standard deviation (SD), median, and interquartile range (IQR). The study of categorical variables used the chi-square test of independence. The Shapiro–Wilk test was used to check for normal distribution of data, and the Student’s t-test was used for normally distributed quantitative data. For non-normally distributed quantitative variables, the Mann-Whitney U test was used. A p-value <0.05 was considered statistically significant. All considerable patient- and treatment-related factors were analysed in univariate logistic regression models, then significant factors were analysed in the multiple logistic regression model in search of independent risk factors for prolonged LOS. Receiver operating characteristic (ROC) curves were used for setting cut-off points separately for prolonged LOS and perioperative morbidity.
All procedures were performed in accordance with the ethical standards of the 1964 Declaration of Helsinki and its later amendments (Fortaleza 2013). The study was approved by the Local Ethics Committee of the Jagiellonian University Medical College. Every patient signed an informed consent prior to inclusion in the study.
Rubinkiewicz M., Witowski J., Wysocki M., Pisarska M., Kłęk S., Budzyński A, & Pędziwiatr M. (2019). Investigating Risk Factors for Complications after Ileostomy Reversal in Low Anterior Rectal Resection Patients: An Observational Study. Journal of Clinical Medicine, 8(10), 1567.
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