The 6-year weighted mortality risk by level of visual impairment (VI) among the Nakuru Eye Disease Cohort Study Participants, stratified by age and gender
| Weighted using inverse probability-weights | Overall | Male | Female | <60 years | ≥60 years | |||||
| N | Risk per 1000/6 years (95% CI) | N | Risk per 1000/6 years (95% CI) | N | Risk per 1000/6 years (95% CI) | N | Risk per 1000/6 years (95% CI) | N | Risk per 1000/6 years (95% CI) | |
| Visual acuity at baseline (better eye presenting) | ||||||||||
| All individuals | 409/3441 | 119 (106 134) | 236/1656 | 143 (123 165) | 173/1785 | 98 (84 113) | 86/1503 | 56 (4570) | 323/1938 | 169 (151 188) |
| Normal (≥6/12) | 280/2901 | 97 (84 111) | 162/1378 | 118 (98 142) | 118/1523 | 77 (6493) | 78/1420 | 54 (4268) | 202/1481 | 138 (120 159) |
| Near normal (<6/12 to ≥6/18) | 27/170 | 158 (107 226) | 14/84 | 168 (104 258) | 13/86 | 148 (85 245) | 3/27 | 106 (32 301) | 24/143 | 168 (114 241) |
| VI (<6/18 to ≥6/60) | 77/275 | 283 (236 336) | 45/142 | 316 (252 388) | 32/133 | 249 (178 338) | 3/31 | 99 (31 271) | 74/244 | 307 (252 368) |
| Severe VI (<6/60 to ≥3/60) | 4/16 | 260 (86 566) | 2/10 | 187 (34 603) | 2/6 | 379 (51 875) | 2/2 | – | 2/14 | 136 (27 475) |
| Blind (<3/60) | 19/50 | 385 (245 548) | 13/30 | 436 (247 646) | 6/20 | 310 (133 570) | 0/6 | – | 19/44 | 438 (279 612) |
| Any VI (<6/18) | 100/341 | 297 (248 351) | 60/182 | 328 (268 395) | 40/159 | 262 (191 347) | 5/39 | 137(57 297) | 95/302 | 318 (262 380) |