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Table 1 Baseline: clinical characteristics of all patients, 2019 pre-COVID cohort compared to 2020 COVID cohort

From: Impact of the COVID-19 pandemic on incidence and severity of acute appendicitis: a comparison between 2019 and 2020

Characteristic

2019 control cohort (n = 642)

2020 COVID-19 cohort

(n = 607)

P value

Age, median (IQR), years

40 (28–57)

42 (29–58)

0.183

Female sex, no./total no. (%)

322/642 (50.2)

318/607 (52.4)

0.430

ASA > 1, no./total no. (%)

263/595 (44.2)

254/524 (48.5)

0.153

COPD, no./total no. (%)

13/630 (2.1)

11/599 (1.8)

0.774

Diabetes Mellitus, no./total no. (%)

24/631 (3.8)

34/596 (5.7)

0.117

Heart failure, no./total no. (%)

11/631 (1.7)

11/597 (1.8)

0.896

Coronary artery disease, no./total no. (%)

17/631 (2.7)

28/598 (4.7)

0.064

Active smoker, no./total no. (%)

61/293 (20.8)

63/275 (22.9)

0.547

Duration of symptoms > 24 h, no./total no. (%)

358/637 (56.2)

371/601 (61.1)

0.048

Severity of appendicitis, no./total no. (%)

  

0.008

 Uncomplicated

391/642 (60.9)

321/607 (52.9)

 

 Gangrenous

45/642 (7.0)

50/607 (8.2)

 

 Perforation

157/642 (24.5)

179/607 (29.5)

 

 Infiltrate/Abscess

43/642 (6.7)

54/607 (8.9)

 

 Normal (sana)

6/642 (0.9)

3/607 (0.5)

 

Conservative treatment, no./total no. (%)

41/642 (6.4)

63/607 (10.4)

0.011

Complication within 30 days, no./total no. (%)

72/642 (11.5)

76/607 (12.5)

0.475

  1. Abbreviations: ASA American Society of Anesthesiologists, COPD Chronic Obstructive Pulmonary Disease, IQR interquartile range