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Table 3 Main and secondary outcomes

From: Integrated care at home reduces unnecessary hospitalizations of community-dwelling frail older adults: a prospective controlled trial

  Intervention (n = 122) Control (n = 179) P
Hospitalizations
  No hospitalizationb 50/122 (41.0%) 73/179 (40.1%)  
  One to three hospitalizationsb 66/122 (54.1%) 95/179 (53.1%)  
  Four or more hospitalizationsb 6/122 (4.9%) 11/179 (6.1%)  
 One-year rate of first hosp.a, b 53.6 (43.9 to 63.3) 55.4 (47.0 to 63.8) 0.78
 Two-year rate of first hosp.a, b 67.8 (58.1 to 77.4) 82.3 (72.6 to 92.1) 0.04
 Three-year rate of first hosp.a, b 69.8 (59.9 to 79.6) 87.6 (78.2 to 97.0) 0.01
 Length of stay (days)c 37.5 (18.8 to 84.0) 51.0 (26.3 to 93.5) 0.18
 Reasons for hospitalizationsd    0.03
  Falls 28/122 (23.0%) 29/205 (14.1%) 0.06
  Fracture 6/122 (4.9%) 8/205 (3.9%) 0.20
  Acute medical problem 80/122 (65.6%) 132/205 (64.4%) 0.92
  Psychiatric problem 3/122 (2.5%) 12/205 (5.9%) 0.18
  Unnecessary 5/122 (4.1%) 24/205 (11.7%) 0.03
Emergency room visit (ERV)
 At least one ERV 8/122 (6.6%) 26/179 (14.5%) 0.04
 One-year rate of first ERVa 8.3 (2.6 to 13.9) 13.4 (7.8 to 19.0) 0.21
 Two-year rate of first ERVa 8.3 (2.6 to 13.9) 17.8 (10.3 to 25.2) 0.045
 Three-year rate of first ERVa 8.3 (2.6 to 13.9) 23.2 (13.1 to 33.3) 0.01
 Reasons for consultatione    0.28
  Falls 5/8 (62.5%) 10/34 (29.4%) 0.11
  Unnecessary 0/8 (0.0%) 8/34 (23.5%) 0.32
  Acute medical problem 3/8 (37.5%) 15/34 (44.1%) 1
  Psychiatric 0/8 (0.0%) 1/34 (2.9%) 1
Institutionalization
 One-year rate of placementa 11.2 (5.1 to 17.2) 10.3 (5.3 to 15.4) 0.83
 Two-year rate of placementa 21.6 (12.9 to 30.4) 28.2 (18.4 to 37.9) 0.33
 Three-year rate of placementa 39.4 (25.1 to 53.6) 31.8 (21.3 to 42.3) 0.40
Mortality
 One-year mortalitya 9.4 (3.8 to 15.1) 15.0 (8.9 to 21.1) 0.19
 Two-year mortalitya 17.9 (8.9 to 27.0) 33.7 (23.1 to 44.3) 0.03
 Three-year mortalitya 20.4 (10.4 to 30.3) 33.7 (23.1 to 44.3) 0.07
Place of death
 At home 8/18 (44.4%) 5/34 (14.7%) 0.04
  1. acumulative incidences are expressed in percentage and reported with 95% confidence intervals
  2. bthe rate of first hospitalization rate were assessed using Kaplan-Meier’s approach to account for varying length of follow-up across patients, while the reported percentages of with no, one to three and four or more hospitalizations did not account for length of follow-up and were only descriptive statistics
  3. cincludes hospitalization in internal medicine and geriatrics and rehabilitation
  4. dpercentages of the number of hospitalizations, epercentages of the number of visits