Table 4.

Operative findings and postoperative outcomes by period of operation in patients with severe peritonitis

Variable	COVID period group (n = 149)	no-COVID period group (n = 183)	P value
Laparoscopic approach, n (%)	69 (68.3%)	80 (79.2%)	0.079
Conversion to open, n (%)	14 (20.3%)*	14 (17.5%)*	0.664
Duration of surgery in minutes, median [IQR]	93 [60–147.5]	70 [50–115]	0.005
Ileocecectomy for appendicitis, n (%)	8 (16.7%)**	2 (3%)**	0.011
Any complication, n (%)	45 (44.6%)	32 (31.7%)	0.060
CCI®, 75th percentile	27.9	8.7	0.048
Major complications***, n (%)	21 (20.8%)	15 (14.9%)	0.270
Death by complication, n (%)	9 (8.9%)	9 (8.9%)	1
LOS in days, median [IQR]	7 [4–12.5]	5 [3–9.5]	0.047
Readmission, n (%)	2 (2%)	4 (4%)	0.683

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