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Table 1 Pre-, peri- and postoperative patient characteristics, mean ± SD or number of patients, n = 36

From: Respiratory muscle strength is not decreased in patients undergoing cardiac surgery

Preoperative  
 Age (yr) 67 ± 10
 Female/male 4/32
 BMI (kg/m2) 27 ± 4
NYHA I-IIIA/IIIB-IV 27/7a
 Airflow obstruction 8
 Diabetes 8
 Never smoked/stopped/smokers 21/15/0
Perioperative  
 CABG/Valve surgery 16/20
 ECC time (minutes) 104 ± 44
Postoperative  
 Postoperative mechanical time (h) 4.7 ± 2,2
 Postoperative days at hospital (6-9/10-14/>14) 14/9/2b
  1. BMI Body mass index, CABG Coronary artery bypass grafting, ECC extracorporeal circulation, NYHA New York Heart Association
  2. Airflow obstruction defined as FEV1/VC <0.7,
  3. a2 missing values
  4. b1 missing value