Surgical Metabolism and Nutrition : eISSN 2465-8383 / pISSN 2233-5765

Table. 5.

Table. 5.

Univariate analysis of relative risk for surgical site infection to early SSI (ESSI) vs late SSI (LSSI)

<7 days (ESSI) ≥7 days (LSSI)


CHR* 95% CI P-value CHR* 95% CI P-value


Lower Upper Lower Upper
Female 1.139 0.878 1.139 0.810 1.104 0.906 1.104 0.830
Year ≥65 1.132 0.884 1.132 0.820 0.711 0.711 1.407 0.460
BMI ≥25 kg/m2 0.672 0.672 1.489 0.540 1.154 0.867 1.154 0.770
Stomy formation§ 3.218 0.311 3.218 0.048 2.535 0.394 2.535 0.065
Emergency operation 0.652 1.534 0.652 0.520 1.258 0.795 1.258 0.620
Open surgery 2.939 0.340 2.939 0.055 1.299 0.770 1.299 0.570
Operaitive time ≥240 min 5.943 0.168 5.943 0.020 2.342 0.427 2.342 0.082
Hyptertension 1.542 0.649 1.542 0.430 1.851 0.540 1.851 0.180
Diabetes mellitus 0.706 0.706 1.416 0.650 1.068 0.937 1.068 0.910
Chronic renal failure 1.605 0.623 1.605 0.650 3.897 0.257 3.897 0.026
Chronic respiratory diseases 3.215 0.311 3.215 0.230 N/A
POD#1 CRP (mg/L) 1.887 0.584 6.094 0.290 1.799 0.682 4.748 0.240
WBC (/μL) 1.131 0.375 3.414 0.830 1.065 0.424 2.679 0.890
Albumin (g/dL) 1.283 0.435 3.781 0.650 1.684 0.689 4.117 0.250
POD#2 CRP 1.747 0.582 5.246 0.320 1.008 0.366 2.778 0.990
WBC 0.745 0.209 2.654 0.650 0.885 0.325 2.411 0.810
Albumin 0.766 0.261 2.253 0.630 1.609 0.638 4.060 0.310
POD#3 CRP 1.021 0.340 3.061 0.970 1.538 0.630 3.753 0.340
WBC 0.737 0.208 2.608 0.640 0.873 0.323 2.359 0.790
Albumin 0.240 0.082 0.704 0.009 4.254 0.560 32.298 0.160
POD#4 CRP 2.659 0.781 9.057 0.120 0.473 0.066 3.370 0.450
WBC 1.965 0.629 6.136 0.250 0.507 0.121 2.122 0.350
Albumin N/A 1.058 0.245 4.565 0.940
POD#5 CRP N/A 0.724 0.241 2.171 0.560
WBC 0.426 0.096 1.884 0.260 1.381 0.554 3.445 0.490
Albumin 0.231 0.031 1.732 0.150 1.317 0.510 3.403 0.570

CHR = Cause specific hazard model;

N/A = not available;

P-value by Inverse probability censoring weighting (IPCW);

Both Ileostomy and Colostomy are included.

Surg Metab Nutr 2018;9:59-67 https://doi.org/10.18858/smn.2018.9.2.59
© 2018 Surg Metab Nutr