Table 1.

Baseline study characteristics.

Characteristics	Number of trials (n=76), n (%)	Trials with an explicit definition (n=42), n (%)
Type of prehabilitation program
Exercise only	41 (54)	22 (52)
Multimodal	25 (33)	15 (36)
Nutrition only	3 (4)	2 (5)
Psychological support only	3 (4)	3 (7)
Respiratory only	3 (4)	0 (0)
Pelvic floor training only	1 (1)	0 (0)
Population included
Oncological surgery	35 (46)	21 (50)
Non-oncological surgery	33 (43)	17 (41)
Mixed cohort	8 (11)	4 (10)
Type of surgical population
Abdominal surgery	26 (34)	18 (43)
Orthopaedic and spinal surgeries	24 (32)	14 (33)
Thoracic surgery	14 (18)	6 (14)
Cardiac surgery	7 (9)	2 (5)
Other surgeries∗	5 (7)	2 (5)

∗Including breast-only and mixed cohorts.