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Table 1 Clinical and demographic characteristics of patient cohort before and during the COVID-19 pandemic (n = 179,288)

From: Obesity as a mortality risk factor in the medical ward: a case control study

 

Entire Cohort

(n = 179,288)

pre-COVID-19

(n = 149,098, 83.2%)

during-COVID-19

(n = 30,190, 16.8%)

P value

BMI groups

  < 18.5 kg/m2, N. (%)

10,775 (6.0)

8950 (6.0)

1825 (6.0)

< 0.001

 18.5–24.9 kg/m2, N. (%)

64,757 (36.1)

54,225 (36.4)

10,532 (34.9)

< 0.001

 25–29.9 kg/m2, N. (%)

52,436 (29.2)

43,426 (29.1)

9010 (29.8)

< 0.001

 30–34.9 kg/m2, N. (%)

27,576 (15.4)

22,813 (15.3)

4763 (15.8)

< 0.001

 35–39.9 kg/m2, N. (%)

12,742 (7.1)

10,500 (7.0)

2242 (7.4)

< 0.001

  ≥ 40 kg/m2, N. (%)

11,002 (6.1)

9184 (6.2)

1818 (6.0)

< 0.001

Demographics

 Age, median (IQR), y

65.0 (51.0–78.0)

65.0 (51.0–78.0)

66.0 (53.0–78.0)

< 0.001

 Female, N. (%)

91,308 (50.9)

76,785 (51.5)

14,523 (48.1)

< 0.001

 Black, N. (%)

48,515 (27.1)

39,362 (26.4)

9153 (30.3)

< 0.001

 White, N. (%)

57,700 (32.2)

48,241 (32.4)

9459 (31.3)

< 0.001

Comorbidities

 CAD, N. (%)

44,505 (24.8)

35,740 (24.0)

8765 (29.0)

< 0.001

 CHF, N. (%)

40,546 (22.6)

32,995 (22.1)

7551 (25.0)

< 0.001

 DM, N. (%)

66,022 (36.8)

53,796 (36.1)

12,226 (40.5)

< 0.001

 HTN, N. (%)

92,294 (51.5)

74,896 (50.2)

17,398 (57.6)

< 0.001

 CKD, N. (%)

33,031 (18.4)

27,150 (18.2)

5881 (19.5)

< 0.001

 COPD, N. (%)

24,788 (13.8)

20,613 (13.8)

4175 (13.8)

0.99

 Cancer, N. (%)

51,659 (28.8)

42,591 (28.6)

9068 (30.0)

< 0.001

 Past or present smoking, N. (%)

75,186 (41.9)

63,967 (42.9)

11,219 (37.2)

< 0.001

Mortality

 Mortality rate, N. (%)

4200 (2.3)

3210 (2.2)

990 (3.3)

< 0.001

  1. Abbreviations: BMI - body mass index; IQR - interquartile range; CAD – Coronary artery disease; CHF – Congestive heart failure; DM – Diabetes mellitus; HTN – hypertension; CKD – Chronic kidney disease; COPD – Chronic obstructive pulmonary disease