Research Article

Cardiopulmonary Exercise Capacity and Preoperative Markers of Inflammation

Table 1

CPET demographics in colorectal surgery cohort, stratified according to the prognostically relevant anaerobic threshold <11 mL kg−1 min−1 and >11 mL kg−1 min−1.

 mL kg−1 min-1  mL kg−1 min−1 value

Number79161
Age (y)71 (69–73)63 (61–66)0.0001
Gender (male : female ratio)1.051.470.30
Cancer ( ; %)66 (86%)114 (72%)0.02
Chemotherapy ( ; %)21 (13%)11 (14%)0.82
Body mass index (kg m2)29.6 (28.5–30.6)27.4 (26.7–28.0)0.0004
/ CO230.3 (28.9–31.7)27.8 (27.2–28.5)0.0004
Peak O2 (mL kg−1 min−1)14.8 (13.9–15.6)22.5 (21.5–23.4)<0.0001

Data are presented as mean (95% confidence intervals), unless stated otherwise.