Table 1.

Baseline Sample Characteristics

	Sickle Cell	Renal Colic	p value
Number of Visits	263	236
Age, ± SD (yr)	35 (8)	40 (13)	<0.001
Male (%)	56	67	<0.01
Arrival shift (%)			<0.05
Days	32	42
Evenings	40	31
Nights	28	27
Initial pain rating, mean (SD)	8.6 (1.3)	7.9 (2.1)	<0.001
Triage level (%)			<0.05
High acuity (ESI 1 or 2)	39	31
Low acuity (ESI 3, 4, or 5)	61	69
Route of initial analgesic, n (%)
Intravenous	125 (47.5%)	222 (94.1%)	<0.02
Intramuscular	96 (36.5%)	1 (0.4%)	<0.001
Oral	42 (16.0%)	13 (5.5%)	<0.04
Subcutaneous	0 (0.0%)	0 (0.0%)	N/A
Total number of NSAID doses	16	167	<.001