Table 2.

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)