Table 1:
statistical analysis of sex, operation type, and the risk factor.
Item
Total no.
Infected no.
Rate
P value (sig<0.05)
95% CI
lower
upper
Sex
Male
73
19
26
0.992
0.363
2.723
Female
27
7
25.9
Operation Type
Major
60
23
38.3
0.001
0.036
0.472
Minor
40
3
7.5
>48h pre op. Hosp.
24
14
58.3
0.000
2.695
20.689