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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
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