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Table 3 Time to readmission by medication-related adverse event status during index hospitalization

From: Association between medication-related adverse events and non-elective readmission in acute ischemic stroke

Medication-related adverse event Time to Readmission
Median (IQR)
Time to Readmission Quartiles p valuea
Quartile 1 n (%) Quartile 2 n (%) Quartile 3 n (%) Quartile 4 n (%)
  Any Readmission 1.0–4.0 days 4.1–10.0 days 10.1–18.6 days 18.7–30.0 days  
No 10.0 (4.0–18.5) 10,961 (24.9) 11,050 (25.1) 10,364 (23.6) 11,595 (26.4) 0.492
Yes 10.4 (4.5–18.8) 734 (22.9) 815 (25.5) 767 (24.0) 883 (27.6)
  AIS Readmission 1.0–2.3 days 2.4–6.8 days 6.9–15.0 days 15.1–30.0 days  
No 6.9 (2.2–15.1) 1396 (23.5) 1329 (22.4) 1720 (28.9) 1499 (25.2) 0.003
Yes 6.7 (3.4–13.5) 31 (11.8) 83 (31.8) 89 (34.1) 58 (22.3)
  Non-AIS Readmission 1.0–4.4 days 4.5–10.5 days 10.6–18.9 days 19.0–30.0 days  
No 10.5 (4.4–18.9) 8805 (23.2) 9547 (25.1) 9238 (24.3) 10,436 (27.4) 0.819
Yes 10.7 (4.7–19.0) 651 (22.1) 731 (24.9) 718 (24.5) 837 (28.5)
  1. Abbreviations: AIS Acute ischemic stroke, IQR Interquartile range
  2. aChi-square test