Table 5.

Charges accrued by subjects with and without atrial fibrillation after coronary artery bypass graft surgery

Variable	No fibrillation (n = 482)	Fibrillation (n= 238)	P
Total postoperative charges	50.90 (10.06)	57.26 (17.10)	.001
Room*
Intensive care unit bed	3.01 (1.35)	3.91 (4.02)	.001
Intensive care unit supplies	0.41 (0.34)	0.62 (1.29)	.02
Ward bed	2.22 (0.71)	2.96 (1.12)	<.001
Ward supplies	0.65 (0.33)	0.96 (0.61)	<.001
Operating room related
Operating room total	19.91 (2.02)	20.11 (1.88)	.19
Operating room time	6.69 (1.59)	6.72 (1.44)	.71
Perfusion charges	6.61 (1.07)	6.70 (0.93)	.22
Laboratory total	3.20 (1.11)	4.42 (2.14)	.001
Pharmacy total	2.34 (1.11)	3.33 (2.21)	<.001
Respiratory care
Mechanical ventilation	0.97 (0.36)	1.16 (0.89)	.001
Oxygen therapy	1.70 (0.81)	2.09 (1.54)	.001

Other than P values, all numbers in table are in thousands of US dollars, presented as mean (SD)

^*Bonferroni correction for 4 variables, P= .01.