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Table 4 Survival probability and time since incident advanced cognitive impairment and death

From: Advanced cognitive impairment among older nursing home residents

   Survival time in days (CI 95 %) Probability of survival (%)
  N 25 % (CI 95 %) 50 % (CI 95 %) 75 % (CI 95 %) Year 1 (CI 95 %) Year 2 (CI 95 %) Year 3 (CI 95 %)
AD 11,978 57 (54, 62) 300 (286, 315) 891 (856, 920) 46.3 (45.4, 47.2) 29.6 (28.8, 30.5) 20.0 (19.2, 20.7)
Women 8,087 74 (67, 78) 374 (352, 395) 1031 (996, 1069) 50.4 (49.3, 51.5) 33.4 (32.4, 34.4) 23.5 (22.6, 24.4)
Men 3,891 38 (35, 43) 192 (177, 209) 623 (583, 661) 38.0 (36.4, 39.5) 21.8 (20.5, 23.1) 12.6 (11.6, 13.7)
ADRD 22,045 35 (33, 36) 194 (186, 202) 731 (712, 752) 39.0 (39.4, 39.7) 25.0 (24.4, 25.6) 16.6 (16.1, 17.1)
Women 14,296 41 (39, 44) 246 (233, 260) 845 (820, 871) 43.0 (42.2, 43.8) 28.4 (27.6, 29.1) 19.2 (18.6, 19.9)
Men 7,749 27 (25, 29) 132 (124, 140) 517 (494, 550) 31.7 (30.7, 32.7) 18.8 (18.0, 19.7) 11.7 (11.0, 12.5)
  1. Note: 25th, 50th, and 75th percentile of survival times is obtained from S(t), the Kaplan-Meier estimate of the survivor function in Fig. 1. Survival time is reported in days. We report 95 % confidence intervals in the brackets
  2. Abbreviations: AD Alzheimer’s disease, ADRD related dementias, CI confidence interval