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Table 1 HBV serological markers by region, gender, immunization history, and different age groups (n/%)

From: Identification of associated risk factors for serological distribution of hepatitis B virus via machine learning models

Category

HBsAga

 

HBsAbb

 

HBcAbc

 

Total

 

Positive

Negative

Positive

Negative

Positive

Negative

 

Age groups

       

 1–4 years

1(0.66)

150(99.34)

117(77.48)

34(22.52)

43(28.48)

108(71.52)

151(8.26)

 5–14 years

0(-)

265(100.00)

127(47.92)

138(52.08)

55(20.75)

210(79.25)

265(14.50)

 15–69 years

69(4.89)

1343(95.11)

757(53.61)

655(46.39)

809(57.29)

603(42.71)

1412(77.24)

x2 (P)

18.95(< 0.01)

 

37.22(< 0.01)

 

148.60(< 0.01)

  

Sex

       

 Male

29(4.07)

683(95.93)

374(52.53)

338(47.47)

323(45.37)

389(54.63)

712(38.95)

 Female

41(3.67)

1075(96.33)

627(56.18)

489(43.82)

584(52.33)

532(47.67)

1116(61.05)

x2 (P)

0.188(0.665)

 

2.344(0.126)

 

8.434(< 0.01)

  

Region

       

 Urban

29(3.11)

902(96.89)

552(59.29)

379(40.71)

504(54.14)

427(45.86)

931(50.93)

 Rural

41(4.57)

856(95.43)

449(50.06)

448(49.94)

403(44.93)

494(55.07)

897(49.07)

x2 (P)

2.63(0.105)

 

15.73(< 0.01)

 

15.49(< 0.01)

  

Immunization history

       

 Yes

14(1.68)

818(98.32)

462(55.53)

370(44.47)

267(32.09)

565(67.91)

832(45.51)

 No

40(5.56)

679(94.44)

399(55.49)

320(44.51)

477(66.34)

242(33.66)

719(39.33)

 Unknown

16(5.78)

261(94.22)

140(50.54)

137(49.46)

163(58.84)

114(41.16)

277(15.15)

x2 (P)

19.132(< 0.01)

 

2.34(0.310)

 

192.12(< 0.01)

  

Total

70(3.83)

1758(96.17)

1001(54.76)

827(45.24)

907(49.62)

921(50.38)

 
  1. Note: a HBsAg, hepatitis B surface antigen; b HBsAb, antibody to hepatitis B surface antigen; c HBcAb, antibody to hepatitis B core antigen