The effect of preoperative deep breathing exercise with incentive spirometer initiated in the preoperative period on respiratory parameters and complications in patients underwent open heart surgery: a randomized controlled trial

Table 5 The relationship between some characteristics all of the patients and the length of hospital stay and postoperative length of ICU stay

	Length of hospital stay (days)
Characteristics	r/p
Mechanical ventilation time (hours)	0.19/0.11
Duration of surgery (hours)	0.07/0.57
Postoperative length of ICU stay (days)	0.32/0.00
CBP duration (min)	0.09/0.46
	Postoperative length of ICU stay (days)
Characteristics	r/p
Mechanical ventilation time (hours)	0.23/0.05
Duration of surgery (hours)	0.10/0.39
CBP duration (min)	0.17/0.16
AXC duration (min)	0.29/0.01

ICU Intensive Care Unit, AXC aortic clamp, CBP cardiopulmonary bypass pump, r Pearson correlation

ISSN: 1471-2253