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Table 1 Preoperative demographic variables

From: Pulmonary function and health-related quality of life 1-year follow up after cardiac surgery

Variables (n = 150)  
Male/female (n) 123/27
Age (years) 66 ± 9
BMI (kg/m2) 27 ± 4
Never smoked/ex-smoker/smoker (n) 57/85/8
Airway obstruction/airflow limitation (n) 37
Diabetes mellitus (n) 29
Hypertension (n) 77
NYHA class I-II/III-IV/missing value (n) 64/75/11
EuroSCORE 4 ± 2
Left ventricular ejection fraction (%) 57 ± 10
  1. Patients with preoperative FEV1/FVC < 0.70 were defined as having airway obstruction
  2. Data are presented as mean ± SD or number (n) of patients
  3. BMI body mass index, NYHA New York Heart Association, FEV1 forced expiratory volume in 1 s, FVC forced vital capacity