Table 1 Baseline characteristics of patients underwent appendectomy between pre-pandemic group and pandemic group

Sex

Male

166(51%)

219(52%)

0.686

Female

160(49%)

253(48%)

Age

49.0

32.5

61.0

47.5

34.0

59.0

0.927

Associated symptoms

Fever

186(57%)

203(52%)

0.130

Nausea

205(63%)

274(65%)

0.512

Vomiting

140(43%)

160(38%)

0.122

Diarrhea and constipation

49(15%)

72(17%)

0.444

Respiratory symptoms

10(3.2%)

16(3.8%)

0.651

White blood cell count (109 /L)

11.1

7.5

14.6

10.9

7.5

15.4

0.804

Neutrophil index(%)

83.7

72.8

89.2

79.5

67.7

87.5

0.144

C-reactive protein (mg/dL)

34.1

6.2

83.8

38.4

10.1

93.6

0.766

Alanine aminotransferase(U/L)

12.9

8.6

18.5

11.7

9.1

16.6

0.966

Glutamate aminotransferase(U/L)

17.6

14.1

22.6

17.6

14.5

23.0

0.356

Time from symptom onset to hospital visit

(days)

1.1

1.0

3.0

1.0

0.6

3.0

0.584