Table 6. Comparison between workloads.

	Time intervals [min.]	SMS system mean, median, n		Mean difference [95% CI]	Significance [p]
		Off	On
Load 1	Time to triage	22.48, 17, 1040	21.77, 17, 1043	0.71	0.579
	Time to first MD	66.35, 55, 1040	64.12, 56, 1043	2.23	0.055
	Time from triage to first MD	43.9, 34, 1040	42.36, 34, 1043	1.54	0.128
	Time to decision	185.84, 143, 1040	177.12, 143, 1043	8.72	0.266
	Total LOS	216.1, 172, 1040	209.7, 173, 1043	6.4	0.552
Load 2	Time to triage	20.24, 16, 274	17, 17, 277	3.24	0.083
	Time to 1st MD	65.57, 56, 274	58.01, 56, 277	7.56	0.03
	Time from triage to first MD	45.35, 35, 274	41.02, 34, 277	4.33	0.353
	Time to decision	158.86, 144, 274	153.36, 143, 277	5.5	0.709
	Total LOS	190.14, 174, 274	180.65, 173, 277	9.49	0.367
Load 3	Time to triage	18.52, 17, 191	13.74, 17, 147	4.78	0.003
	Time to first MD	61.25, 56, 191	54.16, 56, 147	7.09	0.188
	Time from triage to first MD	42.74, 35, 191	40.37, 34, 147	2.37	0.992
	Time to decision	128.36, 143, 191	113.25, 144, 147	15.11	0.295
	Total LOS	162.31, 173, 191	153.02, 173, 147	9.29	0.561

*Load 1 > 200 admissions/hour | Load 2 150–200 admissions/hour | Load 3 < 150 admissions/hour.