Table 2 The relationship between the studied variables and postoperative infection in patients undergoing potentially curative surgery for colorectal cancer (n=455).
Univariate odds ratio (95% CI) | P -value | Multivariate odds ratio (95% CI) | P -value | |
|---|---|---|---|---|
Age (<65/65–74/⩾75 years) | 1.01 (0.74–1.38) | 0.961 | ||
Sex (female/male) | 1.26 (0.74–2.12) | 0.395 | ||
Deprivation (1–2/3–5/6–7) | 1.51 (0.94–2.42) | 0.089 | 0.335 | |
Presentation (elective/emergency) | 3.52 (1.96–6.32) | <0.001 | 0.058 | |
Peritoneal soiling (none or serous fluid/local pus/free pus or faeces) | 7.17 (2.35–21.86) | 0.001 | 4.91 (1.60–15.08) | 0.005 |
Tumour site (colon/rectum) | 1.02 (0.61–1.72) | 0.935 | ||
Tumour (T1/T2/T3/T4) | 1.19 (0.86–1.64) | 0.295 | ||
Nodal involvement (N0/N1/N2) | 0.99 (0.68–1.43) | 0.942 | ||
TNM stage (I/II/III) | 0.97 (0.68–1.38) | 0.844 | ||
Haemoglobin (⩾12/<12 g per 100 mll) | 1.53 (0.92–2.55) | 0.104 | ||
White cell count (<8.0/8.5–11.0/>11 × 109/l) | 1.95 (1.41–2.72) | <0.001 | 1.46 (1.01–2.11) | 0.043 |
C-reactive protein (⩽10/>10 mg l−1) | 2.79 (1.64–4.74) | <0.001 | ||
Albumin (⩾35/<35 g l−1) | 3.14 (1.80–5.48) | <0.001 | ||
mGPS (0/1/2) | 2.28 (1.64–3.16) | <0.001 | 1.76 (1.22–2.55) | 0.003 |
