Cataract surgical coverage (CSC) by eyes and persons (on any eye), % (95% CI)
| CSC (eyes) | CSC (persons) | |||||
| VA <3/60 | VA>/=3/60 and <6/60 | VA>/=6/60 and <6/18 | VA <3/60 | VA>/=3/60 and <6/60 | VA>/=6/60 and <6/18 | |
| Ethnicity† | ||||||
| Tibetan | 64.3 (60.1 to 68.3) | 58.5 (54.5 to 62.5) | 44.4 (40.9 to 48.0)* | 81.6 (74.5 to 87.0) | 77.7 (70.7 to 83.3) | 59.4 (53.2 to 65.4) |
| Han | 66.7 (48.0 to 81.3) | 58.8 (41.6 to 74.1) | 37.7 (25.7 to 51.5) | 85.7 (37.5 to 98.4) | 70.0 (35.7 to 90.7) | 38.9 (19.3 to 62.9) |
| Other | 63.6 (32.5 to 86.4) | 58.3 (29.6 to 82.3) | 36.8 (18.3 to 60.4) | 100.0 | 100.0 | 50.0 (9.34 to 90.7) |
| Sex‡ | ||||||
| Male | 70.1 (63.7 to 75.7) | 64.1 (57.9 to 70.0) | 50.0 (44.5 to 55.5) | 88.5 (77.6 to 94.5) | 85.3 (74.6 to 92.0) | 65.3 (55.1 to 74.2) |
| Female | 60.8 (55.5 to 65.8)* | 55.0 (50.0 to 60.0)* | 40.1 (36.0 to 44.4)** | 78.0 (68.7 to 85.1) | 72.8 (63.8 to 80.3) | 54.0 (46.5 to 61.3) |
| Region§ | ||||||
| Pastoral area | 66.3 (59.3 to 72.7) | 60.6 (53.7 to 67.0) | 46.7 (40.8 to 52.7) | 84.7 (73.0 to 92.0) | 83.3 (72.2 to 90.6) | 67.7 (57.5 to 76.5) |
| Agriculture area | 64.2 (59.1 to 69.0)* | 58.1 (53.2 to 62.9) | 42.8 (38.7 to 47.0) | 80.8 (71.7 to 87.5) | 75.0 (66.1 to 82.2) | 53.5 (46.0 to 60.9)* |
| Urban | 46.7 (23.4 to 71.5) | 43.8 (21.9 to 68.4) | 33.3 (16.5 to 55.9) | 66.7 (9.37 to 97.5) | 50.0 (9.29 to 90.7) | 33.3 (7.17 to 76.4) |
| Distance from hospital, km | ||||||
| ≤200 | 73.8 (65.2 to 80.8) | 67.7 (59.2 to 75.1) | 48.9 (41.7 to 56.1) | 90.9 (74.8 to 97.1) | 83.8 (67.9 to 92.7) | 60.3 (47.2 to 72.2) |
| 201–400 | 61.6 (54.4 to 68.3) | 57.9 (51.0 to 64.6) | 44.5 (38.6 to 50.6) | 80.7 (68.2 to 89.1) | 76.7 (64.2 to 85.8) | 59.5 (48.6 to 69.5) |
| >400 | 62.1 (56.0 to 67.9) | 54.8 (49.0 to 60.5) | 41.0 (36.2 to 46.0) | 78.9 (67.7 to 86.9) | 75.3 (64.9 to 83.4) | 55.8 (47.1 to 64.2) |
| P-trend | 0.371 | 0.229 | 0.263 | 0.668 | 0.735 | 0.740 |
| Altitude, m | ||||||
| ≤2000 | 59.3 (39.9 to 76.1) | 50.0 (33.1 to 66.9) | 34.8 (22.4 to 49.6) | 83.3 (31.9 to 98.2) | 66.7 (31.3 to 89.8) | 40.0 (18.5 to 66.1) |
| 2001–3000 | 64.9 (55.7 to 73.2) | 59.2 (50.3 to 67.5) | 42.5 (35.4 to 50.0) | 82.1 (63.0 to 92.5) | 80.0 (61.5 to 90.9) | 48.0 (34.5 to 61.8) |
| 3001–4000 | 63.6 (58.2 to 68.7) | 57.3 (52.1 to 62.3) | 43.4 (39.0 to 47.9) | 83.2 (74.1 to 89.5) | 76.9 (67.9 to 83.9) | 58.5 (50.6 to 65.9) |
| >4000 | 68.0 (58.2 to 76.4) | 64.8 (55.1 to 73.3) | 50.0 (41.6 to 58.4) | 78.1 (60.2 to 89.4) | 80.0 (63.2 to 90.3) | 72.3 (57.7 to 83.3) |
| P-trend | 0.750 | 0.533 | 0.270 | 0.897 | 0.859 | 0.143 |
| Total | 64.4 (60.3 to 68.4) | 58.6 (54.6 to 62.5) | 43.8 (40.4 to 47.3) | 82.0 (75.2 to 87.6) | 77.5 (70.7 to 83.3) | 57.9 (51.8 to 63.9) |
*P<0.05, **p<0.01, ***p<0.001.
†The percentage of CSC among Tibetan and other ethnicities was compared with that among Han Chinese.
‡The percentage of CSC was compared between male and female.
§The percentage of CSC in agriculture area and urban was compared with that in pastoral area.
VA, visual acuity.