Table 2. Age-specific and age-standardized readmission rates by sex and stroke subtypes.
| 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | Change § | Trend (p-value) ∥ | |
|---|---|---|---|---|---|---|---|---|---|---|
| Age groups | ||||||||||
| Men | ||||||||||
| 0–34 | 14.8 | 17.1 | 16.1 | 14.9 | 14.0 | 11.8 | 15.4 | 14.3 | -3.4 | 0.266 |
| 35–39 | 11.4 | 11.7 | 10.2 | 11.0 | 10.5 | 8.6 | 9.8 | 10.9 | -3.8 | 0.174 |
| 40–44 | 11.8 | 11.6 | 11.8 | 11.1 | 10.0 | 9.3 | 9.4 | 8.8 | -25.4 | 0.004* |
| 45–49 | 10.2 | 11.8 | 10.5 | 11.0 | 8.2 | 8.0 | 10.4 | 8.4 | -17.4 | 0.266 |
| 50–54 | 9.7 | 9.9 | 9.0 | 9.5 | 9.9 | 9.8 | 11.0 | 10.3 | 6.2 | 0.174 |
| 55–59 | 9.8 | 13.3 | 11.2 | 9.5 | 9.9 | 10.4 | 11.2 | 10.1 | 3.3 | 0.902 |
| 60–64 | 12.0 | 11.8 | 12.7 | 11.9 | 10.9 | 10.8 | 11.3 | 10.8 | -9.9 | 0.064 |
| 65–69 | 13.5 | 13.1 | 13.4 | 14.5 | 11.7 | 11.0 | 13.5 | 12.8 | -5.1 | 0.386 |
| 70–74 | 14.0 | 15.0 | 13.4 | 14.1 | 11.9 | 13.1 | 12.8 | 14.6 | 3.9 | 0.536 |
| 75–79 | 14.0 | 13.7 | 13.5 | 16.5 | 11.5 | 13.0 | 14.6 | 14.4 | 2.8 | 0.902 |
| 80–84 | 14.6 | 12.0 | 14.6 | 15.6 | 12.5 | 12.9 | 14.2 | 15.2 | 4.0 | 0.711 |
| 85+ | 10.0 | 12.7 | 16.0 | 15.4 | 14.1 | 14.4 | 16.2 | 16.3 | 63.4 | 0.035 |
| Women | ||||||||||
| 0–34 | 15.0 | 15.7 | 13.9 | 16.8 | 12.3 | 14.5 | 17.3 | 17.2 | 14.5 | 0.386 |
| 35–39 | 9.7 | 10.3 | 12.7 | 12.7 | 8.7 | 14.7 | 11.6 | 8.8 | -8.7 | 0.902 |
| 40–44 | 9.4 | 14.3 | 10.4 | 12.3 | 11.6 | 9.5 | 11.9 | 9.4 | -0.1 | 0.536 |
| 45–49 | 12.9 | 11.8 | 11.5 | 9.6 | 9.7 | 8.8 | 9.7 | 10.3 | -20.4 | 0.108 |
| 50–54 | 10.6 | 9.8 | 12.2 | 8.8 | 12.4 | 8.3 | 11.0 | 10.2 | -4.2 | 0.902 |
| 55–59 | 9.2 | 13.8 | 11.8 | 11.9 | 10.2 | 12.5 | 11.7 | 11.7 | 28.0 | 0.902 |
| 60–64 | 13.0 | 13.8 | 13.7 | 11.5 | 12.4 | 13.5 | 12.9 | 11.5 | -11.3 | 0.266 |
| 65–69 | 15.3 | 12.1 | 14.3 | 14.9 | 11.5 | 14.0 | 15.0 | 14.9 | -2.5 | 0.902 |
| 70–74 | 13.0 | 15.9 | 12.6 | 14.1 | 11.4 | 13.6 | 12.0 | 13.9 | 7.4 | 0.711 |
| 75–79 | 16.0 | 13.5 | 15.3 | 11.3 | 12.0 | 11.8 | 14.2 | 13.4 | -16.2 | 0.386 |
| 80–84 | 13.1 | 13.4 | 14.6 | 15.9 | 13.3 | 10.7 | 12.2 | 14.7 | 12.8 | 0.902 |
| 85+ | 11.5 | 14.4 | 11.7 | 14.1 | 12.1 | 13.8 | 16.8 | 14.6 | 27.0 | 0.108 |
| Age-standardized readmission rates † | ||||||||||
| Men | ||||||||||
| Overall | 12.0 | 12.7 | 12.3 | 12.5 | 10.9 | 10.9 | 12.2 | 11.8 | -1.9 | 0.386 |
| Ischemic ‡ | 11.0 | 11.6 | 11.0 | 11.5 | 10.0 | 10.0 | 11.2 | 10.8 | -1.7 | 0.266 |
| Hemorrhagic | 19.2 | 20.6 | 19.3 | 17.4 | 17.1 | 15.4 | 17.2 | 17.2 | -10.4 | 0.064 |
| Subarachnoid hemorrhage | 20.8 | 22.8 | 22.9 | 22.3 | 16.6 | 21.0 | 21.0 | 19.7 | -5.4 | 0.266 |
| Women | ||||||||||
| Overall | 12.8 | 13.3 | 13.1 | 12.6 | 11.6 | 12.2 | 12.9 | 12.7 | -0.2 | 0.386 |
| Ischemic ‡ | 12.1 | 12.6 | 12.1 | 11.8 | 11.4 | 11.6 | 12.1 | 12.0 | -0.6 | 0.266 |
| Hemorrhagic | 18.4 | 18.0 | 20.9 | 17.1 | 13.2 | 14.8 | 17.1 | 15.6 | -15.2 | 0.108 |
| Subarachnoid hemorrhage | 24.4 | 25.3 | 31.4 | 23.7 | 12.2 | 25.1 | 29.7 | 29.1 | 19.4 | 0.711 |
Values presented are percentages (%).
† Age was standardized to age structure of patients in 2015.
‡ Includes ischemic stroke (I63), unspecified stroke (I64) and transient ischemic attack (G45).
§ Change = (2015–2008) / 2008 x 100%.
∥ Mann Kendall’s trend test for monotonic trend.
* p-value <0.05.