Table 2.

Time to medical delivery (seconds), conventional syringe versus color-coded syringe.

	Conventional Syringe		Color-Coded Syringe		Absolute Difference,* 95% CI
Variable	Median	95% CI	Median	95% CI
All medications	47	40–53	19	18–20	27	21–33
First dose of atropine or epinephrine	69	57–77	18	16–20	48	39–58
Rapid sequence intubation medications, No.
1	—		22	15–29
2	106	90–115	38	30–45	64	51–79
3	172	156–212	57	50–89	114	82–156
4	242	Undefined	—

—, No data.

^*Nonparametric point estimates and CIs were estimated with the centile and cendif functions of Stata for paired and independent comparisons, respectively. The calculation of median differences with these methods may differ slightly from the value obtained from simple subtraction of group medians.