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Table 1 Socio-demographic and clinical characteristics of the study population

From: A survival analysis of socio-demographic and clinical predictors among hospitalized COVID-19 patients in Southern Iran

Variable

Total patient

n = 2108(%)

Dead

n = 133(%)

Alive n = 1975(%)

p-value

Age

47.81 ± 17.78

59.90 ± 19.04

27.10 ± 17.40

 < 0.001a

Gender

 Male

1197 (56.8)

82 (61.7)

1115 (56.5)

0.241b

 Female

911 (43.2)

51 (38.3)

860 (43.5)

Comorbidity

887 (42.1)

92 (69.3)

795 (40.2)

 < 0.001b

Chronic heart disease

306 (14.5)

56 (42.5)

250 (12.6)

 < 0.001b

High blood pressure

159 (7.5)

16 (12.0)

143 (89.94)

0.043b

Chronic lung disease

38 (1.8)

7 (5.2)

31 (1.6)

0.002b

Asthma

78 (3.7)

6 (4.5)

72 (3.6)

0.609b

Chronic kidney disease

50 (2.4)

11 (8.3)

39 (2.0)

 < 0.001b

Diabetes

111 (5.3)

13 (9.8)

98 (5.0)

0.016b

Cancer

25 (1.2)

6 (4.5)

19 (1.0)

 < 0.001b

Smoking

43 (2.0)

5 (3.9)

38 (19.2)

0.147b

Number of breaths per minute (≥ 24)

51 (2.4)

11 (8.9)

40 (2.0)

 < 0.001b

Heart rate per minute (≥ 125)

114 (5.4)

6 (4.5)

108 (5.5)

0.637b

Systolic blood pressure (mmHg)

127.27 ± 19.67

123.35 ± 19.84

127.51 ± 19.67

0.024a

Diastolic blood pressure

80.40 ± 11.64

77.58 ± 11.58

80.68 ± 11.93

0.006a

Fever

1058 (50.2)

56 (42.1)

1002 (50.7)

0.054b

Cough with sputum production

365 (17.3)

22 (15.9)

343 (17.4)

0.808b

Cough with hemoptysis

40 (1.9)

7 (5.3)

33 (1.7)

0.011b

Sore throat

116 (5.5)

2 (1.5)

114 (5.8)

0.037b

Diarrhea

129 (6.1)

7 (5.3)

122 (6.2)

0.670b

Myalgia

163 (7.7)

7 (5.3)

156 (7.9)

0.271b

Headache

263 (12.5)

3 (2.3)

260 (13.2)

 < 0.001b

Nausea and vomiting

211 (10.0)

11 (8.3)

200 (10.2)

0.490b

Fatigue

133 (6.3)

5 (3.8)

128 (6.5)

0.211b

Hospitalization in the ICU

230 (10.9)

109 (81.9)

121 (6.1)

 < 0.001b

CRP

 ≤ 10

1553 (73.7)

120 (90.2)

1433 (72.6)

 < 0.001b

 > 10

555 (26.3)

13 (9.7)

542 (27.4)

 

LDH

 ≤ 436

942 (44.7)

21 (15.8)

921 (46.6)

 < 0.001b

 > 436

1166 (55.3)

112 (84.2)

1054 (53.4)

 

SpO2

 ≤ 93

333 (15.8)

71 (53.4)

262 (13.3)

 < 0.001b

 > 93

62 (46.6)

1713 (86.7)

  

WBC count (× 103/L)

 < 4

239 (13.9)

8 (6.0)

285 (14.4)

 < 0.001b

 4–10

1174 (55.7)

58 (43.6)

1116 (56.5)

 > 10

641 (30.4)

100 (75.2)

541 (27.4)

CT (Bilateral pulmonary infiltration)

1720 (81.6)

130 (97.7)

1590 (80.5)

 < 0.001b

Number of hospitalization days

5.16 ± 7.24

7.19 ± 6.90

5.08 ± 7.36

0.002a

  1. aIndependent samples T-test
  2. bX2 test