Table 2.

Operative findings and postoperative outcomes by period of operation

Variable	COVID period group (n = 149)	no-COVID period group (n = 183)	P value
Severe peritonitis, n (%)	101 (67.8%)	101 (55.2%)	0.019
Laparoscopic approach, n (%)	113 (75.8%)	159 (86.9%)	0.009
Conversion to open, n (%)	14 (12.4%)*	14 (8.8%)*	0.338
Duration of surgery in minutes, median [IQR]	75 [50–123]	60 [40–85]	< 0.001
Ileocecectomy for appendicitis, n (%)	9 (9.7%)**	3 (2.1%)**	0.013
Any complication, n (%)	53 (35.6%)	33 (18%)	< 0.001
CCI®, 75th percentile	20.9	0	0.001
Major complications***, n (%)	21 (14.1%)	16 (8.7%)	0.123
Death by complication, n (%)	9 (6%)	9 (4.9%)	0.653
LOS in days, median [IQR]	5 [2–10]	3 [2–6]	< 0.001
Readmission, n (%)	4 (2.7%)	4 (2.2%)	0.768

Significant P values are in bold

^*Percentages were calculated for the subpopulation of patients undergoing laparoscopy

^**Percentages were calculated for the subpopulation of patients undergoing emergency surgery for appendicitis

^*** ≥ Grade IIIa according to the Clavien–Dindo classification.¹⁰