Table 1.

Primary Outcome Measures: Median DCPE and Median HCCPE^a

Intervention	Preintervention	Postinterventionb
Period	Q4 2018	Q1 2019	Q2 2019	Q3 2019	Q4 2019
Encounters	579	367	400	360	388
DCPE	2 (1-17)	2 (1-17); P=.030	7 (1-22); P<.001	8 (1-30); P<.001	8 (1-27); P<.001
HCCPE	0 (0-6)	1 (0-11); P<.001	1.5 (0-12); P<.001	2 (0-16); P<.001	2 (0-14); P<.001

^aAbbreviations: DCPE, number of diagnoses coded per preoperative clinic encounter; HCCPE, number of hierarchical condition categories coded per preoperative clinic encounter; Q1, the first quarter; Q2, the second quarter; Q3, the third quarter; Q4, the fourth quarter

^bEach postintervention measures were compared against the preintervention measures from Q4 2018.