. Author manuscript; available in PMC: 2012 May 15.

Published in final edited form as: Am J Cardiol. 2011 Mar 17;107(10):1466–1472. doi: 10.1016/j.amjcard.2011.01.021

Table 4.

Changes in Anginal Symptoms Following Enhanced External Counterpulsation and Sham Treatment

Variable	EECP (N =28)			SHAM (N = 14)
Variable	PRE	MID	POST	PRE	MID	POST
Angina Classification (CCS)	3.2 ± 0.1	2.4 ± 0.1^*^§	1.2 ± 0.1^‡^§	2.9 ± 0.1	2.9 ± 0.1	2.9 ± 0.1
Anginal Episodes (average per day)	1.8 ± 0.3	0.9 ± 0.2^†^§	0.5 ± 0.1^‡^§	1.7 ± 0.4	1.6 ± 0.3	1.6 ± 0.3
Nitroglycerine Usage (average per day)	1.1 ± 0.3	0.5 ± 0.2^*^§	0.2 ± 0.1^†^§	0.9 ± 0.3	0.9 ± 0.3	0.9 ± 0.3

Data are expressed as mean ± SEM.

P < 0.05,

^†

P < 0.01, and

^‡

P < 0.001 versus pretreatment values,

^§

P < 0.05 vs. SHAM group