. Author manuscript; available in PMC: 2019 Oct 1.

Published in final edited form as: Med Sci Sports Exerc. 2018 Oct;50(10):1992–1997. doi: 10.1249/MSS.0000000000001658

Table 1.

Baseline Characteristics

Variable	Baseline determinations mean ± SD, n (%)
n	751
Age (years)	54 ± 16
Male gender	355 (47.3)
Height (cm)	172.0 ± 6.2
Weight (kg)	84.2 ± 21.6
BMI (kg/m²)	29.0 ± 7.0
Smoking Status^*
Current Smoker	68 (9.1%)
Ex-Smoker	307 (41.0)
Never Smoker	374 (49.9)
Reason for CPET Testing^ˆ
Unexplained Dyspnea	558 (74.3)
Pre-Operative Workup	180 (24.0)
Exercise-Induced Asthma	3 (0.4)
Other	9 (1.2)

Abbreviations: BMI = body mass index; CPET = cardiopulmonary exercise testing; SD = standard deviation.

Smoking status is missing in 2 patients,

^ˆ

reason for CPET testing is missing in 1 patient.