COVID-19 pandemic changed the management and outcomes of acute appendicitis in northern Beijing: A single-center study

Table 3 Comparison of characteristics and outcomes between the two groups with surgical management (mean ± SD)

	Group 2020 (n = 26)	Group 2019 (n = 113)	P value
Sex, male, n (%)	10, 38.5%	47, 41.6%	0.77
Age (year)	42.08 ± 12.69	40.56 ± 14.97	0.23
Disease onset time (h)	50.73 ± 62.32	27.63 ± 21.22	0.38
Nausea, vomiting or diarrhea, n (%)	21, 80.8%	66, 58.4%	0.03
Peritonitis, n (%)	25, 96.2%	76, 67.3%	< 0.01
Comorbidities, n (%)	6, 23.1%	14, 12.4%	0.29
History of appendicitis, n (%)	4, 15.4%	17, 15.0%	1.00
Fever, n (%)	13, 50%	46, 40.7%	0.39
WBC (109/L)	14.92 ± 4.39	13.22 ± 3.72	0.04
CRP (mg/L)	63.35 ± 74.51	38.72 ± 58.94	0.11
N%	85.15 ± 7.28	83.01 ± 8.11	0.98
NLR (%)	12.30 ± 7.46	10.75 ± 8.66	0.58
Appendix diameter (mm)	12.29 ± 4.94	10.75 ± 2.89	0.18
Appendicolith, n (%)	12, 46.2%	47, 41.6%	0.67
Ascites in image, n (%)	13, 50%	29, 25.7%	0.02
Time from diagnosis to surgery (h)	32.44 ± 47.95	10.70 ± 8.77	< 0.01
Surgical time (min)	87.35 ± 51.68	72.75 ± 38.25	0.02
Blood loss (mL)	14.23 ± 14.74	11.30 ± 6.83	0.03
Intraoperative adhesion or ascites	24, 92.3%	76, 67.3%	0.01
Uncomplicated appendicitis, n (%)	13, 50%	78, 69%	0.07
Hospital stay (d)	5.31 ± 3.53	4.37 ± 2.19	0.31
Complications, n (%)	2, 7.7%	2, 1.8%	0.16

WBC: White blood cell count; CRP: C-reactive protein; NLR: Neutrophil-to-lymphocyte ratio.