Skip to main content

Table 2 Mortality and ICU admission status in COVID-19 suspected and SARS-CoV2 PCR-positive hospitalized patients

From: Characteristics, outcome, duration of hospitalization, and cycle threshold of patients with COVID-19 referred to four hospitals in Babol City: a multicenter retrospective observational study on the fourth, fifth, and sixth waves

Characteristic

Total hospitalizations

SARS-CoV-2 PCR Positive

Total

ICU

p-value

Death

p-value

Total

ICU

p-value

Death

p-value

 Overall

13,312

487

–

422

–

6459

291

–

238

–

 Median age, yrs., (IQR)

55 (32)

62 (28)

< 0.001

66 (28)

< 0.001

54 (26)

62 (26)

< 0.001

65 (28)

< 0.001

 Mean ± SD age, yrs

51.9 ± 24.4

57.9 ± 23.2

< 0.001

63.0 ± 20.8

< 0.001

52.9 ± 18.8

56.0 ± 21.0

< 0.001

52.5 ± 18.7

0.002

Age group, yrs

  < 18

1690 (12.8)

40 (8.2)

< 0.001

17 (4.1)

< 0.001

246 (3.8)

16 (5.5)

< 0.001

5 (2.1)

< 0.001

 18–49

3723 (28.1)

100 (20.6)

74 (17.7)

2390 (37)

70 (24.1)

51 (21.4)

 50–64

3443 (26)

130 (26.7)

105 (25.2)

2032 (31.5)

82 (28.2)

62 (26.1)

 65-79

2908 (22)

143 (29.4)

119 (28.5)

1290 (20)

82 (28.2)

68 (28.6)

  ≥ 80

1468 (11.1)

73 (15)

102 (24.5)

497 (7.7)

41 (14.1)

52 (21.8)

Sex

 Men

6340 (47.6)

241 (49.5)

0.402

212 (50.2)

0.275

2833 (43.9)

135 (46.4)

0.373

118 (49.6)

0.07

 Women

6972 (52.5)

246 (50.5)

210 (49.8)

3626 (56.1)

156 (53.6)

120 (50.4)

Underlying diseases

 CVD2

2968 (22.3)

130 (26.7)

0.018

133 (31.5)

< 0.001

1184 (18.3)

79 (27.1)

< 0.001

61 (25.6)

0.003

 Diabetics

2173 (16.3)

111 (22.8)

< 0.001

86 (20.4)

0.022

1046 (16.2)

65 (22.3)

0.004

51 (21.4)

0.026

 KD3

394 (3)

22 (4.5)

0.039

27 (6.4)

< 0.001

137 (2.1)

13 (4.5)

0.004

14 (5.9)

< 0.001

 Hypertension

1250 (9.4)

61 (12.5)

0.016

41 (9.7)

0.816

528 (8.2)

28 (9.6)

0.356

18 (7.6)

0.726

 Malignancies

649 (4.9)

27 (5.5)

0.485

27 (6.4)

0.140

135 (2.1)

9 (3.1)

0.221

12 (5)

0.001

 RD4

391 (2.9)

25 (5.1)

0.003

22 (5.2)

0.005

147 (2.3)

9 (3.1)

0.339

11 (4.6)

0.013

 GID5

100 (0.75)

4 (0.82)

0.855

5 (1.2)

0.294

36 (0.55)

2 (0.7)

0.761

3 (1.3)

0.138

 BND6

701 (5.3)

49 (10.1)

< 0.001

35 (8.3)

0.005

242 (3.7)

23 (7.9)

< 0.001

17 (7.1)

0.005

 BD7

68 (0.5)

5 (1.02)

0.104

4 (0.94)

0.201

24 (0.4)

2 (0.7)

0.365

3 (1.3)

0.022

 Pregnancy

179 (1.3)

2 (0.4)

0.680

1 (0.2)

0.045

94 (1.5)

2 (0.7)

0.263

1 (0.4)

0.174

 Others8a

106 (0.72)

5 (1.02)

0.560

4 (0.94)

0.722

47 (0.72)

5 (1.7)

0.042

2 (0.8)

0.835

Comorbidities

 No Comorbidities

7103 (53.4)

192 (39.4)

< 0.001

150 (35.5)

< 0.001

3878 (60)

130 (44.7)

< 0.001

99 (41.6)

< 0.001

 One

4088 (30.7)

185 (38)

185 (43.8)

1729 (26.8)

100 (34.4)

97 (40.8)

  > =Two

2121 (15.9)

110 (22.9)

87 (20.6)

852 (13.2)

61 (21)

42 (17.6)

Waves of disease

 Wave 0

3417 (25.5)

139 (28.5)

0.344

72 (17.1)

< 0.001

646 (10)

49 (16.8)

< 0.001

17 (7.2)

< 0.001

 4th (alpha) wave

2519 (18.9)

97 (19.9)

167 (39.7)

1402 (21.7)

62 (21.3)

95 (40.1)

 5th (delta) wave

5231 (39.3)

176 (36.1)

139 (33)

3574 (55.3)

132 (47.4)

96 (40.5)

 6th (omicron) wave

2143 (16.1)

75 (15.4)

43 (10.2)

836 (12.9)

42 (14.4)

19 (12.2)

Hospitalization outcomeb

 Length of stay, days, median (IQR)

5 (4)

11 (14)

< 0.001

7 (14)

< 0.001

5 (3)

11 (13)

< 0.001

5 (3)

< 0.001

 Length of stay, days, Mean ± SD

7.2 ± 9.5

15.8 ± 17.8

< 0.001

12 ± 14.3

< 0.001

6.7 ± 8.1

14.2 ± 12.3

< 0.001

6.4 ± 7.9

< 0.001

  1. aIncluding: Special diseases, Thyroiditis, Lupus and immunodeficiency diseases. b823 cases were missed in terms of length of stay. So, Hospitalization outcome was calculated for 12,489 suspected COVID-19 patients
  2. 1) Wave 0: related to between waves of SARS-CoV-2 Infections; 2) CVD: Cardiovascular Diseases; 3) KD: Kidney Diseases; 4) RD: Respiratory Disorders; 5) GID: Gastrointestinal Diseases; 6) BND) Brain & Neurologic Diseases; 7) BD: Blood Disorders; 8) Others including: Special diseases, Thyroiditis, Lupus and Immunodeficiency diseases