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Table 3 Univariate analysis of early POCD after non-CABG cardiac surgery

From: Risk factors for early postoperative cognitive dysfunction after non-coronary bypass surgery in Chinese population

Items POCD Non-POCD P value
Age 45.9 ± 17.9 39.6 ± 19.8 0.040
Gender (M/F) 32/26 62/56 0.742
BMI 20.5 ± 3.6 21.2 ± 3.9 0.239
Education background    0.122
  <3 years (%) 3 11  
  3-6 years (%) 22 28  
  7-9 years (%) 22 42  
  9-12 years (%) 10 22  
  >12 years (%) 2 14  
Surgical type    0.051
 Congenital disease 10 42  
  Valvular disease (%) 32 54  
  Aorta disease (%) 14 20  
  Tumor (%) 2 2  
Hypertension (%) 10 16 0.518
ASA (II/III/IV) 24/24/10 78/32/8 0.005
NYHA (I/II/III/IV) 10/33/18/2 11/66/32/6 0.309
EF (%) 61 63 0.688
Hypertension (%) 62.8 ± 8.5 60.8 ± 8.1 0.173
Head-down position (%) 15.4 10.9 0.419
Surgical duration (h) 3.7 ± 1.4 3.1 ± 0.8 0.003
Anesthesia duration (h) 4.6 ± 1.5 3.8 ± 0.8 0.001
CPB duration (min) 105.2 ± 37.8 82.1 ± 28.0 <0.001
CC duration (min) 61.3 ± 26.0 45.8 ± 19.9 <0.001
Rewarming duration (min) 32.8 ± 2.2 34.0 ± 1.1 <0.001
Midazolam dose(mg) 10.3 ± 3.5 10.7 ± 2.6 0.502
Etomidate dose (mg) 27.2 ± 11.1 24.4 ± 9.1 0.108
Sufentanil dose (μg) 282.2 ± 118.8 252.8 ± 99.8 0.122
  1. NOTE. Date are expressed as number (%) or mean ± standard deviation. M, male; F, female; BMI, body mass index; ASA, American Society of Anesthesiologists score; NYHA, New York Heart Association cardiac functional classification; EF, ejection fraction. CPB, cardiopulmonary bypass; CC, cross-clamp. Variables with a p < 0.01 was included in the multivariate analysis.