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Table 1 Participant characteristics (n = 11)

From: Feasibility of a tele-prehabilitation program in high-risk patients with colon or rectal cancer undergoing elective surgery: a feasibility study

Characteristics Included
n = 11
Age (years) 74 [68–78]
Sex ratio (male; female) 6;5
Living status
 Living alone n = 5 (45%)
 Living with partner n = 6 (55%)
Body mass index (kg/m2) 29.1 [24.6–33.1]
Smoking status
 Never 1 (9%)
 Former 9 (82%)
 Current 1 (9%)
Age-adjusted comorbidity index
 2–3 1 (9%)
 4–5 3 (27%)
 6+ 7 (64%)
ASA-classification
 I 1 (9%)
 II 3 (27%)
 III 6 (55%)
 IV 1 (9%)
VSAQ (METs) 4 [3–5]
VO2 at the VAT (mL/kg/min) 9.3 [7.5–10.0]
VO2peak (mL/kg/min)a 14.8 [12.7–15.6]
Hemoglobin level (mmol/L) 7.1 [6.7–8.7]
Albumin levels (g/L) 37 [35–40]
PG-SGA-SF score
 0 5 (45%)
 2 2 (18%)
 5+ 4 (36%)
Tumor location
 Colon 8 (73%)
 Rectum 3 (27%)
Tumor stage
 I 5 (46%)
 II 3 (27%)
 III 3 (27%)
Type of surgery
 Hemicolectomy 8 (73%)
 Other 3 (27%)
Surgical approach
 Open 1 (9%)
 Laparoscopic 8 (73%)
 Endoscopic 1 (9%)
 Conversion to open 1 (9%)
Received neoadjuvant treatment 1 (9%)
  1. Data are presented as number of patients (%) or median [IQR], unless stated otherwise
  2. a n = 9, as a maximal effort was required based on a respiratory exchange ratio at peak exercise ≥1.10 and/or a heart rate at peak exercise > 85% of predicted
  3. Abbreviations: ASA American Society of Anesthesiologists, MET metabolic equivalent of task, PG-SGA-SF patient-generated subjective global assessment short form, VAT ventilatory anaerobic threshold, VO2 oxygen uptake, VO2peak oxygen uptake at peak exercise, VSAQ veterans-specific activity questionnaire