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Table 1 Characteristics of the reviewed studies

From: Effect of nutritional and physical exercise intervention on hospital readmission for patients aged 65 or older: a systematic review and meta-analysis of randomized controlled trials

Study Country Study setting Sample size Sex (N, %) Mean age (SD, range) Type of intervention Readmission duration
Deer et al. 2019 [34] United States of America Recruitment: Patients admitted to hospital for acute illness.
Intervention: at home
100 M: 30 (30)
W: 70 (70)
71.1
(SD =7.95)
C 30 days
De Morton et al. 2007 [24] Australia Recruitment and intervention: general medical wards at one public acute, secondary and tertiary hospital 236 M: 107
W: 129
78 (7): control group
80 (8): intervention group
P 28 days
Finlayson et al. 2018 [25] Australia Recruitment: Medical wards at two tertiary metropolitan hospitals
Intervention: home
222 M:60 (27)
W: 162 (73)
77.6 (SD = 6.64, range: 65–93 years) P 28 days**
84 days
Martínez-Velilla et al. 2019 [32] Spain Recruitment and intervention: acute care unit at one tertiary public hospital 370 M: 161 (43)
W:209 (57)
87.3 (SD = 4.9, range: 75–101) P 84 days
McCullagh et al. 2020 [30] Ireland Recruitment and intervention: all wards at a general teaching hospital 190 M:90 (47)
W:100 (53)
80.0 (SD = 7.5, range: 65–97) P 84 days
Ortiz-Alonso et al. 2020 [31] Spain Recruitment and intervention: acute care for elders’ unit in a Public Hospital 268 M: 115 (43)
W:153 (57)
88 (SD = 5, range: 75–102) P 84 days
Holyday et al.
2012 [26]
Australia Recruitment and intervention: two acute geriatric medicine wards at one hospital 143 M:61 (43)
W:82 (57)
a N 30 days
Deutz et el. 2016 [33] United States of America Recruitment: 78 hospitals
Intervention: hospital and home
652b M:298 (46)
W: 354 (54)
78.1 (8.6): placebo group
77.7 (8.2): intervention group
N 30 days
60 days
90 days**
Lindegaard Pedersen et al. 2017 [28] Denmark Recruitment: Department of Geriatrics at one university hospital
Intervention: hospital and home
208 M: 35 (17)
W:173 (83)
86.1 (SD = 5.64), range 75–103) N 30 days**
90 days
Sharma et al. 2017 [27] Australia Recruitment: General medicine department in a public hospital
Intervention: hospital and primary healthcare sector after discharge
148 M:54 (36)
W:94 (64)
81.8 (SD = 8.7, range: 60–97) N 30 days
84 days
Terp et al. 2018 [29] Denmark Recruitment: Department of geriatric medicine in a university hospital
Intervention: hospital and primary health sector after discharge
144c M: 31 (23)
W:113 (77)
87 (SD = 6) N 90 days
  1. C combination of nutrition and physical exercise intervention
  2. P physical exercise intervention
  3. N nutrition intervention
  4. ** readmission is primary outcome
  5. a = author has not responded to data request
  6. b = all patients were malnourished at inclusion according to SGA
  7. c = all patients were malnourished at inclusion according to NRS-2002