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Table 4 Demographic, epidemiological and clinical characteristics of confirmed Covid-19 patients

From: Long-term immune responses in patients with confirmed novel coronavirus disease-2019: a 9-month prospective cohort study in Shanghai, China

Characteristics

Total confirmed patients (n = 1390)

Face-to-face follow-up patients

(n = 157)

Telephone follow-up patients

(n = 1233)

P value

Age (years)

   

0.917

 0–39

818 (58.9)

93 (59.2)

725(58.8)

 

 40–89

572 (41.2)

64 (40.8)

508 (41.2)

 

Gender

   

0.352

 Male

853 (61.4)

91 (58.0)

762 (61.8)

 

Occupation

   

 < 0.001**

 Students or children

277 (19.9)

30 (19.1)

247 (20.0)

 

 Retirees

179 (12.9)

28 (17.8)

151 (12.3)

 

 Civilian staff

259 (18.6)

53 (33.8)

206 (16.7)

 

 Other occupations

675 (48.6)

46 (29.3)

629 (51.0)

 

Healthcare workers

8 (0.6)

3 (1.9)

5 (0.4)

0.019*

Pregnant women

7(1.3)

2(3.0)

5(1.1)

0.187

BMI (kg/m2)

   

0.048*

 < 24.0

499 (59.1)

80 (52.0)

419 (60.6)

 

 ≥ 24.0

346 (41.0)

74 (48.1)

272 (39.4)

 

Residency

   

 < 0.001**

 Within Shanghai

232 (16.7)

65 (41.4)

167 (13.5)

 

 Outside Shanghai

947 (68.1)

85 (54.1)

862 (69.9)

 

 Foreign born

211 (15.2)

7 (4.5)

204 (16.5)

 

Cigarette smoking

112 (13.0)

18 (12.2)

94 (13.1)

0.750

Alcohol drinking

197 (23.0)

45 (30.4)

152 (21.4)

0.018*

Comorbidities

    

 Diabetes

44 (5.0)

7 (4.6)

37 (5.0)

0.815

 High blood pressure

86 (10.6)

17 (13.5)

69 (10.0)

0.243

 Heart disease

27 (3.1)

3 (2.0)

24 (3.3)

0.392

Abroad imported case

1041 (74.9)

61 (38.9)

980 (79.5)

 < 0.001**

Involved in a cluster

381 (27.4)

48 (30.6)

333 (27.0)

0.3456

Clinical intensity

   

 < 0.001**

 Mild

657 (47.3)

49 (31.2)

608 (49.3)

 

 Normal

725 (52.2)

108 (68.8)

617 (50.0)

 

Severe or critical

8 (0.6)

0 (0.0)

8 (0.7)

 

Duration from onset to admission, days

2.0 [1.0, 6.0]

4.0 [2.0, 7.0]

2.0 [1.0, 6.0]

0.002**

Duration from admission to discharge, days

13.0 [10.0, 19.0]

14.0 [10.0, 21.0]

13.0 [10.0, 18.0]

0.031*

  1. Continuous variables are reported as median [IQR] and categorical variables as number (percentage)
  2. *P < 0.05; **P < 0.01