Table 9 General data and clinical characteristics of the patients.

From: A predictive model to explore risk factors for severe COVID-19

Characteristic

Training cohort n = 242

Validation cohort n = 104

P value

Age, years (mean ± SD)

74 ± 14

76 ± 11

0.193

Respiratory rate, breaths per min

21.1 ± 3.8

21.1 ± 3.5

0.936

Heart rate beats per min

86 ± 14

87 ± 13

0.759

Mechanical Ventilation

  

0.785

0

212 (87.6%)

90 (86.5%)

 

1

30 (12.4%)

14 (13.5%)

 

LDH (mean ± SD)

267 ± 236

271 ± 164

0.878

ADA (mean ± SD)

14.8 ± 6.0

15.3 ± 12.7

0.709

SII (mean ± SD)

2016 ± 2,514

2445 ± 4977

0.406

NLR (mean ± SD)

11 ± 12

11 ± 15

0.699

ALC (mean ± SD)

0.92 ± 0.59

0.86 ± 0.54

0.323

GGO

  

0.867

0

107 (44.2%)

47 (45.2%)

 

1

135 (55.8%)

57 (54.8%)

 

Bilateral lung

  

0.947

0

156 (64.7%)

65 (64.4%)

 

1

85 (35.3%)

36 (35.6%)