A slight trend toward higher readmission among persons with pre-SCI cardiovascular drug use may indicate that preexisting cardiac disease contributes to post-SCI vulnerability.
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Respiratory and Cardiovascular Readmissions and Prescription Patterns after Spinal Cord Injury: A National Registry-Based Study from Sweden.
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The sentences
Pre-SCI cardiovascular drug use showed a nonsignificant trend toward higher risk of cardiovascular readmission (HR: 1.53, 95% CI: 0.75–3.15), with wide CIs ( Table 3 ).
These analyses should therefore be interpreted as exploratory, particularly for predictors that did not reach statistical significance.