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Table 1 Study design and participant characteristics

From: What are the impact and the optimal design of a physical prehabilitation program in patients with esophagogastric cancer awaiting surgery? A systematic review

Authors, year

Study design

Type and stage of cancer

Group

Sample (n)

Age (year)

Gender (M:F)

BMI (kg/m2)

Neoadjuvant treatment (n%)

Christensen et al., 2019 [26]

Non-randomized controlled trial

Gastroesophageal junction, I–III

IG

UC

21

29

63.9 ± 8.2

65.5 ± 7.3

18:3

27:2

28.4 ± 5.6

27.8 ± 5.5

CT: 90%, CRT: 10%

CT: 85%, CRT: 15%

Dettling et al., 2013 [17]

Pilot, non-randomized controlled study

Esophageal, NR

IG

UC

44

39

65.1 ± 7.5

66.5 ± 9.6

33:11

29:10

24.9 ± 2.9

25.9 ± 2.9

CRT: 71%

CRT: 44%

Inoue et al., 2013 [22]

Retrospective study

Esophageal, 0-IV

IG

UC

63

37

67.4 ± 9.0

65.0 ± 7.8

53:10

34:3

20.7 ± 2.9

21.1 ± 2.7

CT: 68%

CT: 43%

Valkenet et al., 2018 [23]

RCT

Esophageal, 0-IV

IG

UC

120

121

63.7 ± 7.5

62.7 ± 8.9

89:31

97:24

26.7 ± 4.8

26.5 ± 5.2

CT: 8%, CRT: 78%

CT: 10%, CRT: 78%

van Adrichem et al., 2014 [24]

Pilot, RCT

Esophageal, NR

IMT-HI

IMT-E

20

19

62.7 ± 7.1

61.3 ± 7.3

15:5

14:5

23.9 (22.8–28.7)

25.7 (22.6–28.1)

CRT: 90%

CRT: 95%

Yamana et al., 2015 [18]

RCT

Esophageal, 0-IV

IG

UC

30

30

68.3 ± 7.6

65.9 ± 9.5

24:6

23:7

21.8 ± 2.7

20.9 ± 2.5

CT: 43%, RT: 10%

CT: 50%, RT: 17%

Cho et al., 2014 [25]

Prospective matching study

Gastric, I-III

IG

UC

18

54

63.1 (51–76)

66.1 (39–81)

18:0

51:3

26.7 (23.1–31.2)

25.6 (20.8–34.1)

None

None

  1. Age and BMI values are presented as mean ± SD or median (IQR). BMI body mass index, CRT chemoradiotherapy, CT chemotherapy, F female, IG intervention group, IMT-HI/−E inspiratory muscle training-high intensity/endurance group, M male, NR not reported, RCT randomized controlled trial, RT radiotherapy, UC usual care control group