Table 2.
Association of selected variables and SSI
| Variable | No SSI | SSI | P value |
|---|---|---|---|
| n (%) | n (%) | ||
| Age | |||
| <50 years | 298 (91·1) | 29 (8·8) | <0·001 |
| ≥50 years | 102 (76·6) | 31 (23·3) | |
| Sex | |||
| Female | 165 (89·1) | 20 (10·8) | >0·05 |
| Male | 235 (85·4) | 40 (14·5) | |
| Haemoglobin% | |||
| <10 mg/dl | 47 (79·6) | 12 (20·3) | >0·05 |
| ≥10 mg/dl | 353 (88·0) | 48 (11·9) | |
| Diabetes | |||
| No | 376 (87·0) | 56 (12·9) | >0·05 |
| Yes | 24 (85·7) | 4 (14·2) | |
| Drain | |||
| No | 274 (89·8) | 31 (10·1) | <0·05 |
| Yes | 126 (81·2) | 29 (18·7) | |
| Wound class | |||
| Clean | 141 (94·6) | 8 (5·3) | <0·001 |
| Clean contaminated | 226 (87·6) | 32 (12·4) | |
| Contaminated | 21 (63·6) | 12 (36·3) | |
| Dirty | 12 (60·0) | 8 (40·0) | |