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Table 1 Preoperative and perioperative data in each group

From: Postoperative delirium does not affect cardiopulmonary exercise testing in aged patients undergoing cardiac valve surgery

  Delirium No delirium P value
N 21 49  
Patient characteristics
 Sex (male/female) 15/6 30/19 0.31
 Age (years) 76 ± 3 75 ± 4 0.08
 Height (cm) 160 ± 8 160 ± 9 0.96
 Weight (kg) 61 ± 11 60 ± 11 0.65
Preoperative cardiac function
 LVDd (mm) 52 ± 9 48 ± 7 0.10
 LVDs (mm) 34 ± 9 31 ± 7 0.07
 LVEF (%) 63 ± 14 66 ± 10 0.28
E/e 15.6 ± 10.3 15.6 ± 9.7 0.84
Anesthesia data
 Anesthesia time (min) 415 ± 109 383 ± 100 0.24
 CPB time (min) 195 ± 79 164 ± 59 0.74
 Water balance (ml) 367 ± 1587 920 ± 1087 0.10
  1. LVDd Left ventricular diastolic dimension, LVDs Left ventricular systolic dimension, LVEF Left ventricular ejection fraction, E Early filling peak velocity, e’ early diastolic velocity of the mitral annulus by tissue Doppler imaging, CPB Cardiopulmonary bypass. Data are expressed as mean ± SD