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Table 1 Serological profile of HBV infection among health-care workers in South Sulawesi, Indonesia

From: Seroepidemiology of HBV infection among health-care workers in South Sulawesi, Indonesia

HBV Serological parameter Interpretation Health care workers (HCWs)a P-value
HBsAg Anti-HBc Anti-HBs Overall N (%) Administration n (%) Non-interventionbn (%) Interventionc n (%)
+ + + Chronic infection (considered as healing infection) 2 (0.43) 2 (0.7)  
+ + Chronic infection 12 (2.57) 6 (6.7) 6 (2.0)  
+ + Possible HBsAg mutant 1 (0.21) 1 (0.3)  
+ Chronic infection (isolated HBsAg) 14 (3.00) 1 (1.1) 5 (1.7) 8 (9.9) < 0.001
+ + Resolved from infection (naturally acquired immunity) 65 (13.92) 5 (5.6) 36 (12.1) 24 (29.6) < 0.001
+ Isolated anti-HBc (possible HBsAg mutant or occult infection) 10 (2.14) 1 (1.1) 5 (1.7) 4 (4.9) 0.153
+ Isolated anti-HBs (immune due to vaccination) 54 (11.56) 6 (6.7) 38 (12.8) 10 (12.3) 0.285
Susceptible to infection 309 (66.17) 70 (78.7) 204 (68.7) 35 (43.2) < 0.001
Total     467 (100.0) 89 (100.0) 297 (100.0) 81 (100.0)  
  1. HBV hepatitis B virus, HBsAg hepatitis B surface antigen, anti-HBc antibody against HBV core antigen, anti-HBs antibody against HBV surface antigen
  2. aThe number of samples among the study population (overall and each work type) according to the serological parameter together with its percentage
  3. bHCWs who were not exposed to materials contaminated with patient’s blood or body fluid in their routine work (e.g. ophthalmologists, dermatologists, psychiatrists, and allied health service personnel)
  4. cHCWs with exposure-prone procedures to HBV-related infectious materials (e.g. surgeons, gynecologists, midwives, dentists, laboratory staffs, and cleaning personnel)