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Table 2 Study characteristics and study quality of the included studies

From: Frequent attenders in late life in primary care: a systematic review of European studies

Author and year Country Study type Study population Sample Number GP’s/practices Study quality (score)
n (FA)/n (Controls) Age Sex
Bergh and Marklund, 2003 [37] Sweden cross-sectional listed patients elderly (≥65 years):
85/126
women (≥65 years):
M = 77.1 (Fa), M = 76.4 (CG)
men (≥65 years):
M = 77.0 (Fa), M = 74.1 (CG)
elderly (≥65 years): 46.4% female 7/1 High quality
(9)
Gilleard et al., 1998 [38] UK cross-sectional listed patients aged 65 years and over 95/919 range: ≥65 n/a n/a /1 Low quality
(6)
Menchetti et al., 2006 [39] Italy cross-sectional attending patients aged 14 years and older elderly (≥ 60 years): 136/470 elderly (≥ 60 years):
n/a
elderly (≥ 60 years):
61% female
191/ n/a High quality
(10)
Rennemark et al., 2009 [40] Sweden cross-sectional registered patients with the Swedish National Study on Aging and Care 229/511 Median = 66
range: 60–78
54.2% female n/a High quality
(10)
Scherer et al., 2008 [46] Germany cohort-study listed patients with diagnosis of heart failure 48/262 M = 72.9
(SD = 9)
68.8% female (FA)/ 50.4% female (CG) n/a /44 Moderate quality
(8)
Sheehan et al., 2003 [45] UK cross-sectional attending patients aged 65 years and over 53/87 M = 76.8
(SD = 7.3)
range: ≥ 65
57.9% female 14/2 (centres) Moderate quality
(9)
Svab and Zaletel-Kragelj, 1993 [43] Slovenia cross-sectional listed patients elderly (>65):
34/78
elderly (>65):
n/a
elderly (>65):
n/a
8/1 (primary care centre) Low quality
(5)
van den Bussche et al., 2016 [44] Germany cross-sectional registered patients with a health insurance company 23,590 (19.1%)/99,634 (80.9%) FA:
M = 73, SD = 6.4
CG:
M = 71.7, SD = 6.1
46.3% female (FA)/ 41.4% female (CG) n/a High quality
(9)
Vedsted et al., 2001 [42] Denmark cross-sectional listed patients aged 20 years and over elderly (>65):
n/a
elderly (>65):
n/a
elderly (>65):
n/a
n/a High quality
(9)
Vedsted et al., 2004 [41] Denmark cross-sectional attending patients aged 20 years and over elderly (≥65 years):6718/n/a elderly (≥65 years):
n/a
elderly (≥65 years):
57.8% female (FA)
320/179 High quality
(10)
  1. FA Frequent attender, GP General Practitioner, M Mean, SD Standard deviation, CG Control group; n/a = no information provided; − = not applicable