Table 5 Initial vital sign characteristics of patients infected with COVID-19

RR (Bpm)

14.09 ± 4.84

16.25 ± 3.96

11.40 ± 4.48

 < 0.001^†

T (°C)

37.14 ± 1.06

36.91 ± 0.71

37.43 ± 1.32

 < 0.001^†

SBP (mmHg)

125.48 ± 20.88

123.33 ± 18.52

128.16 ± 23.23

 < 0.001^†

DBP (mmHg)

84.42 ± 17.86

83.45 ± 15.43

85.61 ± 20.43

0.050^†

MAP (mmHg)

97.54 ± 18.97

96.08 ± 16.64

99.35 ± 21.40

0.005^†

O₂ therapy

Non-invasive

615 (57.9%)

477 (77.6%)

138 (22.4%)

 < 0.001^‡

Invasive

448 (42.1%)

112 (25.0%)

336 (75.0%)

O₂ with mask (L/m)

4.12 ± 3.83

5.45 ± 3.19

2.47 ± 3.93

 < 0.001^†

Ventilator mode

SIMV

179 (16.8%)

24 (13.4%)

155 (86.6%)

 < 0.001^‡

SPONT

76 (7.1%)

28 (36.8%)

48 (63.2%)

 < 0.001^‡

CPAP

96 (9.0%)

36 (37.5%)

60 (62.5%)

BIPAP

93 (8.7%)

24 (25.8%)

69 (74.2%)

No

619 (58.2%)

477 (77.1%)

142 (22.9%)

SPO₂ (%)

87.19 ± 7.68

91.95 ± 4.09

81.29 ± 6.97

 < 0.001^†

PaO₂ (%)

87.08 ± 5.92

90.81 ± 2.51

82.45 ± 5.67

 < 0.001^†

PEEP (cmH₂O)

2.98 ± 4.01

0.69 ± 1.44

5.83 ± 4.33

 < 0.001^†

FiO₂ (%)

27.91 ± 37.33

8.97 ± 18.91

51.43 ± 41.04

 < 0.001^†

Pneumonia

Unilateral

542 (51.0%)

396 (73.1%)

146 (26.9%)

 < 0.001^†

Bilateral

521 (49.0%)

193 (37.0%)

328 (63.0%)