Table 3.

Data preparation summary: time stamp imputation and event log abstraction.

Data preparation summary			Site 1			Site 2
			Values, n	Values, mean (SD)	Values, median (IQR)	Values, n	Values, mean (SD)	Values, median (IQR)
Imputation summary statistics
	Size of time stamp adjustment (weeks)
		Total per referral for all referrals	45,401	1.2 (7.3)	0 (0-0)	12,590	1.5 (7.1)	0 (0-0.1)
		Total per referral for adjusted referrals only	3218	17.4 (21.9)	11 (0.4-25.9)	3489	5.3 (12.8)	1.4 (0.5-3.5)
		Per adjustment for all events	336,637	0.2 (2.3)	0 (0-0)	123,523	0.1 (1.7)	0 (0-0)
		Per adjustment for adjusted events only	6491	8.6 (14.3)	2.3 (0.6-10.2)	8921	2.1 (5.8)	0.5 (0.2-1)
	Number of time stamp adjustments
		Per referral—for all referrals	45,401	0.1 (0.6)	0 (0-0)	12,590	0.7 (1.5)	0 (0-1)
		Per referral— for adjusted referrals only	3218	2 (1.2)	2 (1-3)	3489	2.6 (1.4)	2 (2-3)
Event log abstraction summary
	Raw event log
		Number of unique pathway stages	189	—a	—	117	—	—
		Number of unique pathway routes	2454	—	—	1388	—	—
	Processed event log—abstraction level A
		Number of unique pathway stages	26	—	—	23	—	—
		Number of unique pathway routes	388	—	—	268	—	—
	Processed event log—abstraction level B
		Number of unique pathway stages	8	—	—	9	—	—
		Number of unique pathway routes	239	—	—	67	—	—

^aNot applicable.