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Table 1 Demographics and the risk factors exposed within 6 months before onset of AHB: comparison of pregnant and non-pregnant patients

From: Clinical features and outcome of acute hepatitis B in pregnancy

Variables Non-pregnant AHB patients N = 87 Pregnant AHB patients N = 22 P
Age (years) 23.3 ± 2.6 22.7 ± 1.9 0.18
Residence    0.001
Urban 42 (48.3%) 2 (9.1%)  
Rural 45 (51.7%) 20 (90.9%)  
Days from disease onset to hospital admission 10.9 ± 7.5 10.6 ± 4.1 0.78
Days of stay in hospital 28.7 ± 10.3 24.7 ± 7.4 0.09
Weeks of pregnancy NA 17.3 ± 8.7 NA
Potential risk factors    0.17
Spouse with HBV infection 8 (9.2%) 6 (27.3%)  
Other family members with HBV infection 3 (3.4%) 1 (4.5%)  
Risk sex behavior 32 (36.8%) 3 (13.6%)  
Invasive medical procedure 12 (13.8%) 4 (18.2%)  
Body care 8 (9.2%) 2 (9.1%)  
Unknown 24 (27.6%) 6 (27.3%)  
More than one factor 35 (55.6%) 7 (45.7%) 0.40
  1. NOTE. Data are expressed as mean ± SD or n (%) of patients; AHB, acute hepatitis B.