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Table 2 Related factors associated with death in hospitalized COVID-19 patients in Kermanshah Province, Iran

From: Demographics, clinical characteristics, and outcomes of 27,256 hospitalized COVID-19 patients in Kermanshah Province, Iran: a retrospective one-year cohort study

Variable

Category

Total number (%)

Crude OR

P value

Adjusted OR (95% CI)*

P value

Sex

Male

14,648(53.74)

1.20 (1.11–1.31)

 < 0.001

1.20 (1.07–1.35)

0.002

Female

12,608 (46.26)

1

 

1

 

Age Group

 < 15

2122 (7.79)

1

 

1

 

15–45

6635 (24.34)

0.74 (0.58–0.94)

0.01

0.81 (0.58–1.13)

0.23

45–60

5893 (21.62)

1.45 (1.16–1.81)

 < 0.001

1.43 (1.04–1.96)

0.02

60–85

11,002 (40.37)

3.29 (2.68–4.05)

 < 0.001

2.88 (2.14–3.87)

 < 0.001

 ≥ 85

1604 (5.88)

5.18 (4.11–6.54)

 < 0.001

4.79 (3.43–6.71)

 < 0.001

Dwelling place

Outside provincial capital and other provinces

13,769 (50.52)

0.79 (0.58–0.68

 < 0.001

1.14 (1.01–1.29)

0.03

Provincial capital

13,487 (49.48)

1

 

1

 

History of contact with a case of COVID 19

Yes

12,449 (45.67)

1.32 (1.22–1.44)

 < 0.001

0.89 (0.79–1.01)

0.08

No

14,807 (54.33)

1

 

1

 

Length of stay in hospital (Day)

  

1.03 (1.02–1.03)

 < 0.001

1.00 (0.99–1.00)

0.48

Intubation

Yes

2159 (7.92)

12.40 (11.24–13.68)

 < 0.001

11.09 (9.58–12.84)

 < 0.001

No

25,097 (92.08)

1

 

1

 

Intensive care unit (ICU) admission

Yes

4079 (14.97)

5.27 (4.83–5.75)

 < 0.001

4.35 (3.80–4.97)

 < 0.001

No

23,177 (85.03)

1

 

1

 

Number of comorbidities

1

4314 (18.31)

1.58 (1.44–1.74)

 < 0.001

1.38 (1.21–1.59)

0.04

2

1444 (6.13)

1.88 (1.63–2.17)

 < 0.001

1.56 (1.27–1.92)

0.001

 ≥ 3

374 (1.59)

1.86 (1.43–2.40)

 < 0.001

1.50 (1.04–2.17)

0.03

No

17,430 (73.98)

1

 

1

 

Body temperature (C°)

  

0.84 (0.79–0.90)

 < 0.001

0.88 (0.83–0.94)

 < 0.001

Hospital

Referral hospitals

10,258 (37.64)

1.81 (1.67–1.97)

 < 0.001

1.75 (1.54–2.00)

 < 0.001

Other hospitals

16,998 (62.36)

1

 

1

 

Case definition

Confirmed case

12,917(47.39)

2.54 (2.23–2.89)

 < 0.001

2.17 (1.78–2.65)

 < 0.001

Probable case

9136 (33.52)

1.35 (1.14–1.52)

 < 0.001

1.19 (0.95–1.48)

0.11

Suspected case

5203 (19.09)

1

 

1

 

Saturation of O2

 < 93

15,605 (57.25)

4.03 (3.63–4.47)

 < 0.001

2.72 (2.34–3.16)

 < 0.001

 ≥ 93

11,651 (42.750

1

 

1

 

Symptoms

Fever

7875 (28.89)

0.60 (0.59–0.66)

 < 0.001

1.07 (0.92–1.24)

0.35

Cough

10,512 (38.57)

0.61 (0.56–0.67)

 < 0.001

0.82 (0.72–0.93)

0.003

Respiratory distress

15,981 (58.63)

1.87 (1.71–2.04)

 < 0.001

1.40 (1.22–1.61)

 < 0.001

Loss of consciousness

1322 (4.55)

5.07 (4.48–5.73)

 < 0.001

1.81 (1.45–2.25)

 < 0.001

Convulsions

200 (0.73)

0.48 (0.25–0.92)

0.02

0.77 (0.33–1.83)

0.56

Abdominal pain

776 (2.97)

0.40 (0.28–0.57)

 < 0.001

0.75 (0.46–1.24)

0.27

Vomiting

1166 (4.46)

0.41 (0.31–0.55)

 < 0.001

0.87 (0.60–1.26)

0.49

Anorexia

1784 (6.83)

0.89 (0.76–1.06)

0.19

1.36 (1.09–1.70)

0.006

Headache

1488 (5.76)

0.37 (0.28–0.48)

 < 0.001

0.70 (0.50–0.97)

0.03

Muscle pain

6485 (23.79)

0.72 (0.65–1.80)

0.21

–

–

Loss of taste

387 (1.42)

0.66 (0.44–1.99)

0.46

–

–

Nausea

1201 (4.60)

0.57 (0.44–1.41)

0.39

–

–

Dizziness/vertigo

482 (1.87)

0.58 (0.40–1.85)

0.51

–

–

Paresis

164 (0.63)

0.76 (0.43–1.35)

0.35

–

–

Plegia

73 (0.28)

1.54 (0.83–3.01)

0.26

–

–

Dermatitis

71 (0.27)

0.97 (0.44–2.13)

0.95

–

–

Chest pain

1031 (3.99)

0.71 (0.56–1.90)

0.55

–

–

Diarrhea

729 (2.79)

0.36 (0.25–1.53)

0.43

–

–

  1. *Odds Ratio for each variable adjusted for other variables in model
  2. CI confidence interval, OR odds ratio
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BMC Infectious Diseases

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