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. 2020 Apr 21;35(7):1265–1272. doi: 10.1007/s00384-020-03580-4

Table 3.

Adjusted linear regression analysis on factors for maximum pain (NRS) on postoperative days 0–3

Day of surgery POD 1 POD 2 POD 3
Coeff (95% CI) P value Coeff (95% CI) P value Coeff (95% CI) P value Coeff (95% CI) P value
Female vs. male − 0.3 (− 1.1 to 0.4) 0.380 − 1.0 (− 2.1 to − 0.0) 0.049 0.1 (− 0.8 to 1.1) 0.809 0.6 (− 0.3 to 1.4) 0.177
Age (per 10 years) − 0.7 (− 1.0 to − 0.3) < 0.001 − 0.8 (− 1.2 to − 0.3) < 0.001 − 0.2 (− 0.6 to 0.2) 0.320 − 0.2 (− 0.5 to 0.2) 0.410
Diabetes mellitus* − 1.3 (− 2.4 to − 0.2) 0.025 − 0.2 (− 1.7 to 1.3) 0.832 − 0.7 (− 1.9 to 0.5) 0.222 − 0.3 (− 1.4 to 0.8) 0.587
Cancer* − 0.0 (− 1.2 to 1.2) 0.957 1.2 (− 0.4 to 2.7) 0.133 0.0 (− 1.5 to 1.5) 0.963 − 0.5 (− 2.1 to 1.2) 0.579
Any complication* 0.4 (− 0.3 to 1.2) 0.273 − 0.1 (− 1.2 to 1.0) 0.820 1.1 (0.2 to 2.0) 0.020 0.8 (− 0.1 to 1.6) 0.081
CRP (per 10 units) − 0.15 (− 0.26 to − 0.04) 0.008 − 0.02 (− 0.07 to 0.04) 0.518 0.07 (0.01 to 0.12) 0.014
Minimal colonic vs. open colonic 1.6 (0.6 to 2.6) 0.002 − 0.6 (− 2.0 to 0.9) 0.450 − 2.3 (− 3.9 to − 0.7) 0.004 − 1.7 (− 3.3 to − 0.1) 0.038
Minimal AR vs. open AR 0.2 (− 1.6 to 1.9) 0.858 2.3 (− 0.4 to 5.0) 0.092 1.0 (− 1.9 to 4.0) 0.480 1.0 (− 0.8 to 2.7) 0.280
Minimal APE vs. open APE 0.6 (− 1.3 to 2.6) 0.537 − 0.6 (− 3.2 to 2.0) 0.638 − 1.2 (− 3.7 to 1.3) 0.346 − 0.0 (− 1.8 to 1.7) 0.978

*Coefficient denotes the difference between the NRS and the referent. Yes vs. no. Coeff coefficient, CI confidence interval, POD postoperative day, AR anterior resection, APE abdominal perineal excision