TABLE 3.

Comparison of relative serum exosomal miR-21 expression among groups.

Group (I)	Group (J)	Mean deviation (I–J)	SE	P-value	95% Confidence interval
					Lower	Upper
Control	AMI	–0.0596683167	0.0150839401	0.001	–0.089664386	–0.029672248
	UA	–0.0388306618	0.0153679993	0.013	–0.069391614	–0.008269710
AMI	Control	0.0596683167	0.0150839401	0.001	0.029672248	0.089664386
	UA	0.0208376549	0.0136901421	0.132	–0.006386694	0.048062004
UA	Control	0.0388306618	0.0153679993	0.013	0.008269710	0.069391614
	AMI	–0.020837655	0.007970851	0.009	–0.03653387	–0.00514144

AMI, acute myocardial infarction; UA, unstable angina pectoris.