Table 3.
Verification results.
| Observed values | Predicted values | |
|---|---|---|
| Hua County study (aged 45–69 years) | ||
| Prevalence of BCH/mD (%) | 22.04 | 8.56 (95% CI: 6.48 - 10.64) |
| Prevalence of MD (%) | 0.57 | 1.03 (95% CI: 0.72 - 1.34) |
| Prevalence of SD (%) | 0.41 | 0.59 (95% CI: 0.4 - 0.79) |
| Prevalence of ESCC (%) | 0.33 | 0.4 (95% CI: 0.31 - 0.5) |
| Prevalence of total oesophageal high-grade lesions (%)∗ | 0.74 | 1 (95% CI: 0.78 - 1.21) |
| Cixian County study (40–69 years) | ||
| 10-year incidence of ESCC in control arm (%) | 5.92 | 3.54 |
| 10-year incidence of ESCC in screeing arm (%) | 4.17 | 2.47 |
| HR (screening VS. control) | 0.698 | 0.694 |
∗Total number of severe squamous dysplasia, squamous carcinoma in situ, and squamous cell carcinoma.
ESCC, esophageal squamous cell carcinoma; BCH, basal cell hyperplasia; mD, mild dysplasia; MD, moderate dysplasia; SD, severe dysplasia; HR, hazard ratio.