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. 2021 May 10;20:33. doi: 10.1186/s12941-021-00440-z

Table 2.

Prevalence of disease comorbidity among study participants

Variables Totala
N (%)
Surgical site infection x2(p-value)
Yes [n (%)] 53a No [n (%)] 198a
Cardiac disorder
Yes 20 (7.97) 6 (11.32) 14 (7.07) 0.31
No 231 (92.03) 47 (88.68) 184 (92.93)
Diabetes mellitus
Yes 6 (2.39) 5 (9.43) 1 (0.51)  < 0.001
No 245 (97.61) 48 (9.57) 197 (99.49)
Malignancy
Yes 6 (2.39) 2 (3.77) 4 (2.02) 0.45
No 245 (97.61) 51 (96.23) 194 (97.98)
HIV/AIDS
Yes 4 (1.59) 1 (1.89) 3 (1.52) 0.86
No 247 (98.41) 52 (98.11) 195 (98.48)
Psychiatry problem
Yes 7 (2.79) 3 (5.66) 4 (2.02) 0.15
No 244 (97.21) 50 (94.34) 194 (97.98)
Respiratory disorder
Yes 7 (2.79) 4 (7.55) 3 (1.52) 0.06
No 244 (97.21) 49 (92.45) 195 (98.48)

HIV human immunodeficiency virus, AIDS acquired immunodeficiency syndrome

aPercentages are calculated from the number of a participant in each column