Table 3. 5-, 10-, and 15-year predicted risk and 95% confidence interval for hepatocellular carcinoma among all anti-HCV seropositives (N = 975).

Sum of risk score	5-year predicted risk (95% CI), %	10-year predicted risk (95% CI), %	15-year predicted risk (95% CI), %
0	0.02 (0.01–0.04)	0.08 (0.04–0.12)	0.19 (0.11–0.26)
1	0.03 (0.01–0.06)	0.11 (0.06–0.16)	0.26 (0.16–0.36)
2	0.04 (0.01–0.08)	0.15 (0.08–0.22)	0.36 (0.22–0.49)
3	0.06 (0.02–0.11)	0.21 (0.11–0.31)	0.49 (0.30–0.68)
4	0.09 (0.02–0.15)	0.29 (0.15–0.43)	0.68 (0.42–0.94)
5	0.12 (0.03–0.20)	0.40 (0.21–0.59)	0.94 (0.58–1.31)
6	0.16 (0.05–0.28)	0.55 (0.29–0.81)	1.30 (0.80–1.80)
7	0.23 (0.06–0.39)	0.76 (0.40–1.13)	1.80 (1.11–2.49)
8	0.31 (0.09–0.54)	1.06 (0.55–1.56)	2.49 (1.53–3.43)
9	0.44 (0.12–0.75)	1.46 (0.77–2.15)	3.43 (2.12–4.72)
10	0.60 (0.17–1.04)	2.02 (1.06–2.97)	4.72 (2.92–6.48)
11	0.83 (0.23–1.43)	2.78 (1.47–4.09)	6.48 (4.03–8.87)
12	1.15 (0.32–1.98)	3.84 (2.03–5.61)	8.86 (5.53–12.07)
13	1.59 (0.44–2.73)	5.27 (2.80–7.69)	12.06 (7.58–16.32)
14	2.20 (0.61–3.76)	7.23 (3.85–10.49)	16.31 (10.34–21.87)
15	3.03 (0.85–5.17)	9.88 (5.29–14.23)	21.85 (14.04–28.96)
16	4.18 (1.18–7.09)	13.41 (7.26–19.16)	28.93 (18.90–37.72)
17	5.74 (1.62–9.68)	18.09 (9.91–25.52)	37.69 (25.19–48.11)
18	7.86 (2.24–13.16)	24.15 (13.46–33.51)	48.07 (33.10–59.69)
19	10.72 (3.09–17.75)	31.81 (18.15–43.18)	59.66 (42.70–71.60)
20	14.54 (4.26–23.71)	41.15 (24.23–54.03)	71.56 (53.76–82.51)
21	19.55 (5.85–31.26)	52.03 (31.91–66.20)	82.48 (65.65–91.06)
22	26.02 (8.01–40.51)	63.85 (41.27–77.74)	91.04 (77.24–96.48)