Number Died (%) Person-years of follow up Mortalitiy rate per 1000 person-years (95%CI)*
Women No Cataract 87 20 (23.0) 809.3 24.7(13.9 - 35.5)
  Cataract No Surgery 183 38 (20.8) 1646.9 23.1 (15.7 - 30.4)
  Cataract Surgery 51 17 (33.3) 515.5 33.0 (17.3 -48.7)
Men No Cataract 72 21 (29.2) 645.1 32.6 (18.6 - 46.5)
  Cataract No Surgery 153 68 (44.4) 1237.8 54.9 (41.9 - 68.0)
  Cataract Surgery 44 22 (50.0) 377.7 58.2 (33.9 -82.6)
*Age standardised
Table 2: Mortality rate and 95% confidence interval among cataract surgery, cataract no surgery and no cataract by sex.