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Table 4 Characteristics of included studies

From: Return to work after major trauma: a systematic review

Study ID

Country of origin

Study design

Sample size

Age (Mean ± SD in years)

Sex (M/F)

ISS (Mean ± SD)

Gabbe [35]

Australia

Prospective cohort

243

35.3

199/44

30

Gross [32]

Switzerland

Prospective cohort

237

39.5 ± 20.6

180/57

27.5 ± 8.2

Grotz [39] Grotz [40]*

Germany

Retrospective cohort

50

33.6 ± 2.1

35/13

36.8 ± 1.6

Haas [35]

Canada

Retrospective cohort

5,341

47.3 ± 8.8

3974/1367

ø

Holtslag [13] Van Erp [41]*

Netherlands

Prospective cohort

214

34.8 ± 11.6

184/30

25.0 ± 11.1

Kivioja [36]

Finland

Prospective cohort

92

31

65/27

38.9 ± 1.2

Livingston [37]

USA

Existing registry

100

42

81/19

28

Post [42]

Netherlands

Prospective cohort

53

37.3 ± 13.2

43/10

23.5 ± 8.2

Simmel [31]

Germany

Prospective cohort

127

37.3 ± 11.5

66/61

35.6 ± 7.9

Soberg [30]

Norway

Prospective cohort

102

34.5 ± 13.5

84/18

28.1 ± 11.3

Van Ditshuizen [38]

Netherlands

Prospective cohort

182

49.3

116/66

21.3

Vles [34]

Netherlands

Prospective cohort

166

35

134/32

23

  1. ISS, injury severity score; M/F, male/female; SD, standard deviation; ø, not reported
  2. *Both publications investigate the same study population, only the results of the top publications on are used for analysis