Table 1.

 Comparison between interventions in performance of compression rate and depth

	No music	Nellie the Elephant	That’s the Way (I like it)
Median compression rate (IQR, range)	110 (93-119, 43-146)	105 (98-107, 48-162)	109 (103-110, 53-157)
Proportion of subjects delivering compression rate 95-105/min (%, 95% CI)	15/130 (12%, 7% to 18%)	42/130 (32%, 24% to 41%)	12/130 (9%, 5% to 16%)
Median for proportion of compressions delivered at correct depth (IQR, range)	24% (0-62, 0-99)	14% (0-59, 0-97)	11% (0-65, 0-98)