Table 2 Number of ultrasonography examinations during baseline and follow-up among subjects positive for hepatitis B surface antigen (N = 2848), 2012–2015*.
Total (%) | Gender | P value | Age in 2012 (years) | P value | |||||
|---|---|---|---|---|---|---|---|---|---|
male (n = 1,914) | female (n = 934) | 35–39 (n = 421) | 40–49 (n = 1,173) | 50–59 (n = 974) | 60–64 (n = 280) | ||||
Number of ultrasonography examinations | 0.411 | <0.001 | |||||||
0 | 374 (13.1) | 246 (12.8) | 128 (13.7) | 81 (19.2) | 182 (15.5) | 86 (8.8) | 25 (8.9) | ||
1 | 451 (15.8) | 300 (15.7) | 151 (16.2) | 73 (17.3) | 184 (15.7) | 156 (16.0) | 38 (13.6) | ||
2 | 390 (13.7) | 278 (14.5) | 112 (12.0) | 55 (13.5) | 178 (15.2) | 118 (12.1) | 39 (13.9) | ||
3 | 440 (15.4) | 295 (15.4) | 145 (15.5) | 57 (13.5) | 158 (13.5) | 163 (16.7) | 62 (22.1) | ||
4 | 530 (18.6) | 352 (18.4) | 178 (19.1) | 66 (15.7) | 210 (17.9) | 195 (20.0) | 59 (21.1) | ||
5 | 478 (16.8) | 328 (17.1) | 150 (16.1) | 69 (16.4) | 186 (15.9) | 180 (18.5) | 43 (15.4) | ||
6 | 185 (6.5) | 115 (6.0) | 70 (7.5) | 20 (4.7) | 75 (6.4) | 76 (7.8) | 14 (5.0) | ||
