Table 1
Modified clinical pulmonary infection score (MCPIS)
Data were analyzed by SPSS 13. Independent t-test was used to check subjects’ age homogeneity and Chi-square test was used for subjects’ homogeneity concerning sex, hospitalization cause, medical history, smoking history, and immune system defects. Independent t-test and repeated measure analysis of variance (ANOVA) were adopted to compare mean scores of Modified Pulmonary Clinical Infection Scale before and after intervention in the study and control groups.