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Table 2 Baseline characteristics (n = 444). All values n (%) unless otherwise stated

From: Predictors of total morbidity burden on days 3, 5 and 8 after cardiac surgery

  Frequency/mean ± SD
Demographics
 Age (mean/years) 66.6 ± 10.7
 Female gender 93 (20.9)
 Ethnicity (White British) 379 (85.4)
Medical history
 Renal (dialysis) 7 (1.6)
 History of previous MI 148 (33.3)
 Re-operation 18 (4.1)
Symptoms
 NYHA Class
  I 115 (26.0)
  II 205 (46.3)
  III 101 (22.8)
  IV 22 (5.0)
Cardiac risk factors
 Smoking
  Current 49 (11.0)
  Ex 245 (55.2)
  Never 150 (33.8)
 Hypertension 303 (68.2)
 Hypercholesteraemia 343 (77.4)
 Diabetes 103 (23.2)
 Body mass index (kg/m2)/mean 28.5 ± 5.6
Examination and investigation
 LVEF
  Good 323 (74.1)
  Fair 90 (20.6)
  Poor 23 (5.3)
Pre-operative risk assessment
 EuroSCORE 4.1 ± 2.8
Intra-operative details
 Operative priority—elective 309 (69.6)
 Operation performed
  CABG 299 (67.3)
  AVR 61 (13.7)
  MVR 10 (2.3)
  CABG + AVR 36 (8.1)
  CABG + MVR 0 (0.0)
  AVR + MVR 3 (0.7)
  CABG + AVR + MVR 2 (0.5)
  Other 33 (7.4)
 Cardiopulmonary bypass used 412 (93.4)
Outcome
 Length of ICU stay (mean/days) 2.0 ± 3.5
 Return to theatre 21 (4.8)
 Total length of hospital stay (mean/days) 11.8 ± 11.7