Table 4 –

Multiple linear regression of associations between patient characteristics and pain severity (n=312)

Variable	Coef. ± Std. Error	t	P-value
Age	−0.05 ± 0.013	−3.69	< .001
Gender (reference level = Men)
Women	1.17 ± 0.357	3.27	.001
Race (reference level = White)
Black	−1.11 ± 0.349	−3.19	.002
Other	−1.72 ± 1.546	−1.11	.268
Vital signs
Systolic blood pressure	0.013 ± 0.005	2.53	.012
Heart rate	−0.011 ± 0.008	−1.52	.129
Respiratory rate	0.09 ± 0.046	1.86	.064
O2 saturation	−0.09 ± 0.053	−1.60	.111
Shortness of breath	−0.23 ± 0.353	−0.65	.515
Number of medications	0.04 ± 0.032	1.33	.185
Number of comorbid conditions	0.24 ± 0.327	0.74	.458
Comorbid conditions
Coronary artery disease	−0.55 ± 0.604	−0.90	.368
Atrial fibrillation	−0.63 ± 0.632	−1.00	.320
Coronary artery bypass graft	−0.51 ± 0.728	−0.70	.485
Myocardial infarction	0.11 ± 0.516	0.22	.829
Devices
Pacemaker	0.15 ± 0.727	0.21	.837
Implantable cardioverter-defibrillator	0.23 ± 0.948	0.25	.805