Non-specific pain and 30-day readmission in acute coronary syndromes: findings from the TRACE-CORE prospective cohort

Table 3 Association of self-reported post-discharge pain status with 30-day rehospitalization: TRACE-CORE, 2011–2013

Pain condition	Incidence of 30-day rehospitalization	Model 1^a: Unadjusted		Model 2^b: Adjusted for baseline characteristics		Model 3^c: Model 2 further adjusted for self-reported chest pain
Pain condition	n/N (%)	OR (95% CI)	P value	OR (95% CI)	P value	OR (95% CI)	P value
No pain	21/285 (7.4)	Reference		Reference		Reference
Mild to moderate pain	55/448 (12.3)	1.76 (1.04–2.98)	0.04	1.84 (1.05–3.24)	0.03*	1.43 (0.78–2.60)	0.25
Severe pain	11/54 (20.4)	3.22 (1.45–7.14)	< 0.01*	3.16 (1.32–7.54)	0.01*	2.59 (1.06–6.35)	0.04*

Patient-self-reported pain status was collected for the first month after discharge from index hospitalization (using SF-36 survey distributed at one month post-discharge)
TRACE-CORE Transitions, Risks, and Actions in Coronary Events Center for Outcomes Research and Education
^aModel 1: logistic regression, unadjusted for covariates
^bModel 2: multivariable logistic regression, adjusted for age, sex, smoking status, acute coronary syndrome type, comorbidity, patient-self-reported generic pain, and healthcare seeking behaviors reported at index hospitalization
^cModel 3: Model 2 further adjusted for patient-report of chest pain, tightness, or angina on the Seattle Angina Questionnaire
*Indicates statistically significant (P < 0.05)

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