Table 2.

Comparison of mortality rates between the 2 groups

	Traditional	Enhanced	p-value
	(n = 3,000)	(n = 1,500)	Chi-squared test
Death (30-day)	15 (0.5%)	1 (0.1%)	0.02
Death (90-day)	25 (0.8%)	3 (0.2%)	0.01