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

Table 1 Participant characteristics (n = 11)

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]
VO_2peak (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%)

Data are presented as number of patients (%) or median [IQR], unless stated otherwise
^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
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, VO_2peak oxygen uptake at peak exercise, VSAQ veterans-specific activity questionnaire

ISSN: 2047-0525