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Table 1 Demographic and Epidemiological Characteristics of COVID-19 Patients with Different BMI

From: High body mass index is a significant risk factor for the progression and prognosis of imported COVID-19: a multicenter, retrospective cohort study

Characteristics BMI < 24(Group A)
(N = 268)
BMI ≥ 24(Group B)
(N = 187)
P value
Age(years) 43.3(15.7) 46.3(13.3) 0.028
Sex    < 0.001
 men 97(36.2%) 119(63.6%)  
 women 171(63.8%) 68(36.4%)  
BMI (kg/m2) 21.62(20.20–22.86) 26.12(24.69–27.92) < 0.001
Exposure history
 Exposure to Wuhan 122(45.5%) 84(44.9%) 0.899
 Contact with confirmed or suspected patients 130(48.5%) 76(40.6%) 0.097
 Familial cluster 93(34.7%) 61(32.6%) 0.644
Current smoking 14(5.2%) 20(10.7%) 0.029
Condition
 Any 67(25.0%) 82(43.9%) < 0.001
 Hypertension 26(9.7%) 48(25.7%) < 0.001
 Diabetes 19(7.1%) 21(11.2%) 0.125
 Heart disease 5(1.9%) 5(2.7%) 0.563
 Chronic liver disease 8(3.0%) 14(7.5%) 0.028
 Chronic renal disease 1(0.4%) 2(1.1%) 0.753
 Cancer 3(1.1%) 3(1.6%) 0.977
 COPD 0(0.0%) 1(0.5%) 0.411
 Immunosuppression 0(0.0%) 1(0.5%) 0.411
Signs and symptoms
 Fever 213(79.5%) 164(87.7%) 0.022
 Highest temperature(°C)    0.085
   < 37.3 55(20.5%) 23(12.3%)  
  37.3–38.0 92(34.3%) 80(42.8%)  
  38.1–39.0 101(37.7%) 72(38.5%)  
   > 39.0 20(7.5%) 12(6.4%)  
 Cough 165(61.6%) 136(72.7%) 0.013
 Sputum production 87(32.5%) 79(42.2%) 0.033
 Sore throat 48(17.9%) 20(10.7%) 0.034
 Nasal obstruction 20(7.5%) 5(2.7%) 0.027
 Myalgia 32(11.9%) 20(10.7%) 0.681
 Fatigue 58(21.6%) 35(18.7%) 0.787
 GI symptomsa 36(13.4%) 30(16.0%) 0.437
 Headache 20(7.5%) 23(12.3%) 0.083
Incubation period (days) 7(4–11) (n = 86) 7(4–10) (n = 46) 0.578
Days from illness onset to first medical visit(days) 2(1–5) 3(1–5) 0.143
Days from illness onset to confirm the diagnosis(days) 5(3–8) 5(3–8) 0.393
Days from illness onset to first hospitalization(days) 4(2–7) 4(3–8) 0.491
Clinical Type    0.004
 Mild/ Moderate 249(92.9%) 158(84.5%)  
 Severe/ Critical 19(7.1%) 29(15.5%)  
  1. Data are presented as medians (interquartile ranges, IQR), n (%) and mean (SD)
  2. GI symptomsa include nausea, vomiting or diarrhea
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