Author: Dimopoulos, G; Tsiodras, S; Lerikou, M; Chranioti, Aik; Perros, E; Anagnostopoulou, U; Karakitsos, P; Armaganidis, A
Title: Viral Profile of COPD Exacerbations According to Patients§ Document date: 2015_2_23
ID: 3rrvm787_9
Snippet: Qualitative variables are expressed as counts and percentages and quantitative variables are expressed as means and standard deviations. The Student's t test for independent samples was used to perform comparisons between means whereas the Man-Whitney test was used in case variables did not meet the criteria of normality. The chisquare or Fisher's exact test were used for comparisons of proportions. A p value of less than 0.05 was considered sign.....
Document: Qualitative variables are expressed as counts and percentages and quantitative variables are expressed as means and standard deviations. The Student's t test for independent samples was used to perform comparisons between means whereas the Man-Whitney test was used in case variables did not meet the criteria of normality. The chisquare or Fisher's exact test were used for comparisons of proportions. A p value of less than 0.05 was considered significant. Data were analyzed using statistical software (SPSS, version 15.0; SPSS; Chicago, IL).
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