Table 3. Screening scenarios: The percentage of the total population screened, which percentage of the (hidden) total HCV patients will be detected, and the number of people needed to screen.
| % Totala population | % Total cases | % Total hidden cases | Number to screen | ||
| (95%CI) | (95%CI) | (95%CI) | |||
| Total | 100 | 100 | 100 | 206 (170–245) | |
| Sex | Men | 48.7 | 71.1 (57.7–89.8) | 72.0 (51.7–100) | 141(111–173) |
| Women | 51.3 | 28.8(21.5–40.8) | 28.0 (17.0–46.1) | 366(258–491) | |
| Age b | 18–25 | 11.2 | 1.1(0.9–1.8) | 0.4(0.1–1.5) | 2006(1248–2442) |
| 26–35 | 13.1 | 17.5(12.7–25.9) | 16.6(9.4–29.3) | 153(104–211) | |
| 36–45 | 19.1 | 45.7(34.9–61.9) | 47.1(31.0–71.7) | 86(63–112) | |
| 46–55 | 19.5 | 33.1(20.5–59.5) | 36.5(17.5–76.2) | 121(67–195) | |
| 56–65 | 16.8 | 3.8(2.6–7.1) | 2.8(1.0–7.8) | 917(485–1338) | |
| 65+ | 20.4 | 1.2 (1.1–1.5) | 0.2 (0.1–0.6) | 3416 (2847–3660) | |
| SESsw | Low | 46.6 | 68.9(57.0–85.0) | 66.2 (48.4–90.1) | 139(113–168) |
| Mid | 28.1 | 18.7(11.5–34.2) | 20.5 (9.6–43.9) | 309(169–504) | |
| High | 25.3 | 10.6(7.2–17.7) | 10.5(5.2–21.1) | 489(295–727) | |
| SESpv | Low | 44.7 | 62.2(50.9–77.7) | 60.3 (54.3–83.8) | 148(118–180) |
| Mid | 35.6 | 32.2(22.1–50.1) | 35.2(19.9–62.1) | 227(146–331) | |
| High | 19.7 | 3.6 (2.9–5.5) | 1.5(0.6–4.4) | 1145(739–1375) | |
| Combination | Men 36–45 | 9.5 | 32.4 (23.5–47.2) | 33.8 (20.3–56.1) | 59(40–81) |
| Men 36–55 | 19.3 | 56.5 (44.9–73.3) | 56.7 (39.1–82.0) | 68(53–86) | |
| Low SESsw 36–45 | 8.9 | 33.2 (24.7–47.0) | 33.7 (20.9–54.5) | 55(39–74) | |
| Low SESsw 36–55 | 18.0 | 57.3(46.0–73.5) | 56.6 (39.5–81.0) | 64(50–80) | |
| Low SESsw men | 22.7 | 48.7(38.7–63.2) | 47.5 (32.5–69.3) | 96(74–120) | |
| Men low SESsw 36–45 | 4.3 | 19.5(15.1–26.6) | 18.1 (11.4–28.7) | 31 (25–37) | |
| Men low SESsw 36–55 | 8.7 | 47.6(37.4–62.8) | 47.0 (31.6–70.0) | 38 (29–48) |
Laboratory surveillance data, South Limburg, the Netherlands, 2002–2008.
a
Based on population statistics from 2007 [27].
b
Age at first positive test.
SESsw: Socio-economic status based on % of people receiving social welfare.
SESpv: Socio-economic status based on property value.