. Author manuscript; available in PMC: 2016 Feb 19.

Published in final edited form as: J Cardiopulm Rehabil Prev. 2013 May-Jun;33(3):153–159. doi: 10.1097/HCR.0b013e31828db386

Table 2.

Total Number of Cardiac Rehabilitation Sessions per Patient Group per Time Period

Group	Time Period^a				P-value
Group	1^b	2	3	4	1 vs. 2	2 vs. 3	3 vs. 4	1 vs. 4
Total	12 [5, 23] (314)	12.5 [5, 26] (280)	17 [7, 33] (266)	20 [7, 35] (243)	.15	.01	.07	<.001
Olmsted County	15 [6, 27] (176)	16.5 [6, 29] (172)	19 [8, 35] (164)	27.5 [9, 35] (158)	.33	.05	.04	<.001
Non-Olmsted County	9 [4, 17] (138)	10 [5, 19] (108)	13 [6, 23] (102)	15 [5, 25] (85)	.22	.02	.47	.004
P-value^c	<.001	<.001	.001	<.001

Reported as median number of sessions per patient, [Interquartile range], (total number of patients)

Time period 1 was the baseline, period 2 followed the policy change, period 3 followed the introduction of the welcoming video, and period 4 followed the introduction of the motivational program.

P-value for Olmsted county vs. Non-Olmsted county patients