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Table 3 Hepatitis B biomarkers in different tribes

From: Seroprevalence and factors associated with hepatitis B infection among the hill tribe adult population in Thailand: a cross-sectional study

Biomarkers Total Akha Lahu Hmong Yao Lisu Karen χ2
(p-value)
n % n % n % n % n % n % n %
HBsAg
 Positive 113 7.6 15 5.1 26 7.5 22 7.4 20 12.0 9 13.2 21 7.6 10.7 (0.056)
 Negative 1378 92.4 280 94.9 320 92.5 277 92.5 147 88.0 59 86.8 295 18.7
Anti-HBs
 Positive 286 19.2 66 22.4 59 17.1 49 16.4 37 22.2 16 23.5 59 20.6 6.29 (0.278)
 Negative 1205 80.8 229 77.6 287 82.9 250 83.6 130 77.8 52 76.5 257 81.3
Total anti-HBc
 Positive 283 18.9 66 22.4 58 16.7 48 16.0 37 22.2 16 23.5 58 18.4 7.07 (0.215)
 Negative 1208 81.1 229 77.6 288 83.3 251 84.0 130 77.8 52 76.5 258 81.6
HBsAg-positive and anti-HBs-positive 3 0.2 0 0.0 1 33.3 1 33.3 0 0.0 0 0.0 1 33.3 N/A
HBV infection 396 26.6 81 20.5 84 21.2 70 17.7 57 14.4 25 6.3 79 19.9 N/A