Table 2.
Sample and adjusted prevalence of blindness, severe (SVI), moderate (MVI) and early (EVI) visual impairment - bilateral PVA
| Sample results | Age and Gender Adjusted results | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Han | Kazak | Uygur | Other | Total | Males | Females | Total | |||||||||
| n | % (95% CI) | n | % (95% CI) | n | % (95% CI) | n | % (95% CI) | n | % (95% CI) | n | % (95% CI) | n | % (95% CI) | n | % (95% CI) | |
| Blindness | 27 | 1.6 (1.1–2.3) | 40 | 2.3 (1.7–3.1) | 0 | 0 | 2 | 0.5 (0.1–1.9) | 69 | 1.7 (1.4–2.2) | 1976 | 1.3 (0.7–1.8) | 2033 | 1.3 (0.8–1.7) | 4009 | 1.3 (0.8–1.7) |
| Severe VI | 20 | 1.2 (0.8–1.8) | 16 | 0.9 (0.6–1.5) | 3 | 2.9 (0.9–8.5) | 10 | 2.4 (1.3–4.4) | 49 | 1.2 (0.9–1.6) | 1787 | 1.1 (0. 5–1.7) | 1551 | 1.0 (0.5–1.4) | 3338 | 1.1 (0.7–1.4) |
| Moderate VI | 70 | 4.1 (3.2–5.1) | 50 | 2.9 (2.2–3.8) | 7 | 6.7 (3.2–13.4) | 16 | 3.9 (2.4–6.2) | 143 | 3.6 (3.1–4.2) | 4701 | 3.0 (2.2–3.8) | 5000 | 3.1 (2.3–3.9) | 9701 | 3.1 (2.4–3.7) |
| Early VI | 126 | 7.4 (6.2–8.7) | 72 | 4.1 (3.3–5.2)* | 4 | 3.8 (1.4–9.8) | 24 | 5.8 (3.9–8.5) | 226 | 5.7 (5.0–6.4) | 6478 | 4.2 (3.0–5.3) | 9392 | 5.8 (4.7–7.0) | 15,870 | 5.0 (4.0–6.0) |
*EVI prevalence of Khazak people is significantly lower than that of Han Chinese * P < 0.01