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Table 2 Summary of meta-analysis results

From: Effectiveness of comprehensive geriatric assessment intervention on quality of life, caregiver burden and length of hospital stay: a systematic review and meta-analysis of randomised controlled trials

Outcomes Group basis Subgroup name Number of analyses
(number of studies)
Heterogeneity I2(%) Effect SMD/MD[95% CI] P value
Quality of life level overall / 15 (8) 49 0.12 [0.03, 0.21] 0.009
  Intervention model CGA-team 6 (3) 44 0.05 [−0.08, 0.18] 0.46
  OAS 4 (2) 71 0.22 [−0.04, 0.48] 0.09
  CGA-unit 2 (1) 56 0.23 [−0.01, 0.46] 0.06
  HAS 2 (1) 21 0.17 [−0.04, 0.38] 0.11
  HHAS 1 (1) / 0.00 [−0.23, 0.23] 1.00
  Mean age of participants ≤ 80 years 4 (2) 77 0.20 [−0.15, 0.55] 0.26
  > 80 years 11 (6) 32 0.11 [0.02, 0.19] 0.01
  Outcome measure time ≤ 3 months 7 (6) 48 0.16 [0.03, 0.29] 0.01
  3–12 months 1 (1) / 0.02 [−0.19, 0.23] 0.83
  ≥ 12 months 7 (5) 57 0.10 [−0.06, 0.25] 0.21
  Evaluation instruments EQ-5D 8 (4) 0 0.05 [−0.03, 0.13] 0.24
  15D questionnaire 1 (1) / 0.44 [0.14, 0.74] 0.004
  PGCMS 2 (1) 0 −0.06 [−0.26, 0.13] 0.53
  EQ-VAS 2 (1) 56 0.23 [−0.01, 0.46] 0.06
  GWB 2 (1) 0 0.53 [0.24, 0.81] 0.0003
Change of quality of life overall / 5 (3) 5 0.24 [0.10, 0.39] 0.0008
SF-36 Change values for physical functioning dimension overall / 5 (4) 0 0.11 [0.05, 0.16] 0.0002
SF-36 Change values for physical limitation dimension overall / 5 (4) 64 0.04 [−0.05, 0.14] 0.39
SF-36 Change values for general health dimension overall / 5 (4) 0 0.10 [0.05, 0.16] 0.0003
SF-36 Change values for body pain dimension overall / 5 (4) 56 0.09 [0.00, 0.18] 0.04
SF-36 Change values for mental health dimension overall / 5 (4) 22 0.13 [0.06, 0.19] 0.0001
SF-36 Change values for emotional limitation dimension overall / 5 (4) 0 0.04 [−0.02, 0.10] 0.17
SF-36 Change values for energy dimension overall / 5 (4) 65 0.15 [0.06, 0.25] 0.002
SF-36 Change values for social activity dimension overall / 5 (4) 37 0.10 [0.02, 0.17] 0.01
Caregiver burden overall / 2 (2) 35 −0.56 [−0.97, −0.15] 0.007
Length of hospital stay overall / 22 (17) 100 −1.04 [−3.57, 1.49] 0.42
  Intervention model CGA-unit 9 (6) 88 0.60 [−1.01, 2.22] 0.46
  CGA-team 12 (10) 100 −1.59 [−5.23, 2.05] 0.39
  OAS 1 (1) / −4.10 [−8.73, 0.53] 0.08
  Mean age of participants ≤ 80 years 8 (7) 0 −0.24 [−0.57, 0.09] 0.16
  > 80 years 14 (10) 100 −0.85 [−4.17, 2.48] 0.62
  Outcome measure time ≤ 3 months 15 (14) 100 0.13 [−2.56, 2.82] 0.93
  3–12 months 1 (1) / 3.70 [−3.55, 10.95] 0.32
  ≥ 12 months 6 (5) 100 −5.17 [−12.35, 2.01] 0.16
  1. SMD, standardised mean difference; MD, mean difference; CI, confidence interval; CGA, comprehensive geriatric assessment; OAS, Outpatient Assessment Service; HHAS, Hospital Home Assessment Service; HAS, Home Assessment Service; PGCMS, Philadelphia Geriatric Centre Morale Scale; EQ-VAS, EuroQoL-visual analog scale; GWB, Rand general well-being; SF-36, 36-Item Short Form Health Survey questionnaire