Table 2 Univariate analysis for 30-day in-hospital mortality among patients with ARF due to COVID-19 pneumonia who failed in HFNC and were subsequently intubated

SEX

Male

64.7

1.44 (1.15, 1.80)

0.0013

Female

56

AGE (YEARS)

 ≥ 50

66.5

4.42 (3.19, 6.10)

 < .0001

18—49

31

COPD

Yes

60.7

0.97 (0.77, 1.23)

0.8

No

61.4

HF

Yes

64.3

1.19 (0.90, 1.56)

0.22

No

60.3

DM

Yes

66.4

1.37 (1.06, 1.76)

0.014

No

59.1

HTN

Yes

62.6

1.23 (0.96, 1.56)

0.095

No

57.7

CKD

Yes

71.8

1.85 (1.41, 2.44)

 < .0001

No

57.9

TROPONIN (NG/L)

 > 28

70.9

1.7 (1.26, 2.29)

0.0004

 ≤ 28

58.9

CREATININE (MG/DL)

 > 1.5

75.1

2.2 (1.61, 2.99)

 < .0001

 ≤ 1.5

57.9

CRP (MG/L)

 > 100

59

0.88 (0.69, 1.11)

0.28

 ≤ 100

62.1

LYMPHOCYTES (ΜL)

 ≤ 1

62.2

0.82 (0.63, 1.07)

0.14

 > 1

57.4

NT-PROBN (PG/ML)

 > 88

63.6

1.16 (0.91, 1.48)

0.23

 ≤ 88

60.1

HFNC DURATION

 > 24 h

67.2

2.16 (1.71, 2.74)

 < .0001

 ≤ 24 h

48.6