Table 2

Predictors of prolonged postoperative LOS

VariablesORSE
Patient factors
 BMI1.076***(0.022)
Surgical factors
Type of surgery*
 Valve3.034***(0.904)
 Combined valve and CABG2.062**(0.733)
 CPB use2.152**(0.660)
 PRBC2.521***(0.631)
 Non-elective surgery2.123**(0.630)
Number of complications†
 One complication2.843***(0.756)
 Two complications5.714***(1.786)
 Three or more complications26.89***(11.57)
 Constant0.003***(0.002)
  • ***p<0.01; **p<0.05; *p<0.1.

  • *Omitted reference category is ‘CABG’.

  • †Omitted reference category is ‘no complications’.

  • BMI, body mass index; CABG, coronary artery bypass graft; CPB, cardiopulmonary bypass; LOS, length of stay; PRBC, packed red blood cells.