Table 2.

Association of clinical characteristics with average admission heart rate and change in average daily heart rate across 30 days postdischarge (in comparison with patients without the designated characteristic)

Clinical characteristics	Relative diff. in mean admission HR	95% CI	P	Relative diff. in mean daily HR change	95% CI	P
Medical history
Current/previous smoker	0.202	-3.33 to 3.73	.911	0.001	-0.183 to 0.185	.990
Hypertension	-3.18	-7.05 to 0.690	.107	0.190	0.002 to 0.378	.048
T2DM†	1.21	-2.31 to 4.72	.500	0.220	0.044 to 0.395	.014
Prior MI	2.67	-3.65 to 8.98	.409	0.184	-0.109 to 0.477	.219
Prior CABG‡	8.98	1.59 to 16.37	.017	0.255	-0.043 to 0.552	.093
Stroke	1.10	-7.28 to 9.47	.797	0.229	-0.127 to 0.585	.207
Hyperlipidemia	0.125	-3.64 to 3.89	.948	0.179	0.002 to 0.355	.047
Depression	12.5	4.29 to 20.6	.003	0.319	-0.155 to 0.793	.187
Admission characteristics
Diagnosis of STEMI	0.984	-2.77 to 4.73	.607	-0.067	-0.251 to 0.118	.479
LVEF <40%	2.89	-2.62 to 8.39	.304	0.039	-0.201 to 0.279	.753
CABG performed	2.41	-2.31 to 7.13	.317	0.049	-0.198 to 0.296	.697
PCI performed	-2.04	-6.69 to 2.62	.391	-0.066	-0.294 to 0.163	.573
Transfusion performed	-0.026	-5.76 to 5.71	.993	0.068	-0.182 to 0.317	.595
Incomplete revascularization	0.408	-6.37 to 7.19	.906	-0.025	-0.334 to 0.284	.875
Development of heart failure	2.50	-3.47 to 8.47	.412	0.287	-0.002 to 0.576	.052
Non-BB/CCB medications
ACE inhibitors/ARBs	-0.551	-4.74 to 3.64	.797	-0.007	-0.194 to 0.180	.942
Anticoagulants	9.64	4.11 to 15.16	.001	-0.253	-0.517 to 0.010	.059
Diuretics	5.61	1.60 to 9.61	.006	0.096	-0.109 to 0.302	.358
ADP receptor inhibitors	2.06	-4.17 to 8.29	.517	-0.234	-0.590 to 0.123	.198

BB = beta-blocker; CCB = calcium channel blocker; other abbreviations as in Table 1.

^†After adjusting for CABG in T2DM association analysis.

^‡After adjusting for T2DM in CABG association analysis.