From: Association between preoperative haemoglobin concentration and cardiopulmonary exercise variables: a multicentre study
N
Mean
SD
Age (yr)
1,777
61.9
15.8
Height (cm)
1,776
169.0
9.1
Weight (kg)
1,775
83.7
23.6
BMI (kg m-2)
1,774
29.4
8.3
V Ë™ O 2 peak (ml min-1)
1300
500
AT (ml min-1)
1,631
940
300