Table 5.
Comparison of blindness prevalence (visual acuity <6/60) age 50 and older, Tibet prefectures versus Shunyi and Zhongshan regions
| Prefecture | Age adjusted | Age and sex adjusted | |
| % (95% CI) | % (95% CI) | ||
| Men | Women | ||
| Lokha | 4.0 (3.3 to 4.7) | 8.7 (7.5 to 9.9) | 6.7 (5.7 to 7.7) |
| Nakchu | 11.2 (9.4 to 13.0) | 19.2 (16.1 to 22.3) | 15.5 (13.0 to 18.0) |
| Lingzhr | 4.1 (1.8 to 6.4) | 6.3 (5.2 to 7.4) | 5.2 (4.5 to 5.9) |
| Total | 7.5 (6.6 to 8.4) | 14.2 (12.0 to 16.4) | 10.9 (9.3 to 12.5) |
| Shunyi5 | 1.7 | 3.5 | 2.8 (2.4 to 3.1) |
| Zhongshan4 | 2.9 | 3.5 | 4.4 (3.8 to 4.9) |