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
Number
79
161
Age (y)
71 (69–73)
63 (61–66)
0.0001
Gender (male : female ratio)
1.05
1.47
0.30
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
/CO2
30.3 (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.