Effects of comprehensive geriatric care models on postoperative outcomes in geriatric surgical patients: a systematic review and meta-analysis

Table 1 Study and patient baseline characteristics

Author, Country & year	Study type	Type of Surgery	Sample Size (n)	Number of patients		Age (years)		Sex (Male)
				Intervention	Control	Intervention	Control	Intervention-%	Control-%
Partridge [17], UK, 2017	RCT	Vascular	176	85	91	75 ± 6	75 ± 6	76.9	75.2
Hempenius, [13]Netherlands, 2013	RCT	Cancer	297	148	149	77 ± 6	77 ± 7	37.8	34.2
Hempenius, [23]Netherlands, 2016	RCT	Cancer	260	127	133	77 ± 6	77 ± 7	40.2	36.1
Chen [10], China, 2017	Cluster RCT	Abdominal	377	197	180	74 ± 5	74 ± 6	56.4	57.2
McDonald [15], USA, 2018	PC	Abdominal	326	183	143	75 ± 6	71 ± 6	51.0	46.6
Cronin [11] USA, 2011	PC	General or Vascular	69	26	43	75 ^a	77 ^a	46.2	23.3
Adogwa [22], USA, 2017	RC	Spine (lumber)	125	100	25	73 ± 6	73 ± 4	41.0	36.0
Tarazona-Santabalbina [19], Spain, 2019	RC	Colorectal Cancer	310	203	107	77 ± 4	75 ± 5	63.1	61.7
Nussbaum [16], USA, 2014	RC	Abdominal (pancreatico- duodenectomy)	242	100	142	65 ± 10	62 ± 11	39.0	47.0
Olsson [24], Sweden, 2014	Pre-post	THA	266	128	138	68 ± 12	66 ± 13	35.6	35.5
Souwer [18], Netherlands, 2018	Pre-post	Colorectal cancer (Laparoscopic surgery)	224	86	C1–63	80.6 (6.2)	C1–81.4 (7.3)	42.0	C1–52.0
Souwer [18], Netherlands, 2018	Pre-post		224	86	C2–75	80.6 (6.2)	C2–79.7(5)	42.0	C2–51.0

Abbreviations: C1 Control1 (2010–2011); C2 Control2 (2012–2013), PC Prospective cohort; Pre-post, Pre-intervention Post-intervention study design, RC Retrospective cohort, RCT Randomized Controlled Trial, THA Total Hip Arthroplasty. Data expressed as Mean ± SD, median (IQR) unless otherwise stated, IQR Interquartile range. ^arepresent mean years

ISSN: 1471-2253