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Table 2 Comparison of stroke outcomes in patients admitted between one month* and over 2 years** and during autumn, winter and summer months*** admitted to the eight NHS Trusts in the East of England

From: Similarity of patient characteristics and outcomes in consecutive data collection on stroke admissions over one month compared to longer periods

Variables Oct 2009 cohort (n = 308) Full cohort (n = 8398)† Autumn cohort (n = 2184)† Winter cohort (n = 3478)† Summer cohort (n = 2736)†
Results‡ p-value§vs. Oct 2009 Result‡ p-value§vs. Oct 2009 Result‡ p-value§vs. Oct 2009 Result‡ p-value§vs. Oct 2009
Death    0.13   0.10   0.25   0.09
Yes 62 (20) 1414 (17)   357 (16)   609 (18)   448 (16)  
No 246 (80) 6984 (83)   1827 (84)   2869 (82)   2288 (84)  
Likelihood of death Unadjusted OR 1.00 0.80 (0.60-1.07) N = 8706 0.13 0.78 (0.57-1.04) N = 2492 0.10 0.84 (0.63-1.13) N = 3786 0.25 0.78 (0.58-1.04) N = 3044 0.10
Adjusted OR¥ 1.00 0.85 (0.60-1.22) N = 4877 0.39 0.88 (0.60-1.28) N = 1613 0.49 0.93 (0.64-1.34) N = 2078 0.70 0.76 (0.52-1.12) N = 1620 0.17
Discharge residence    0.21       
Home 165 (71) 4115 (67)   1082 (66) 0.19 1701 (69) 0.33 1332 (66) 0.13
Care home 24 (10) 884 (14)   238 (15)   341 (14)   305 (15)  
Other 44 (19) 1133 (18)   318 (19)   440 (18)   375 (19)  
  1. *October 2009.
  2. **December 2008 to April 2011 excluding October 2009.
  3. ***August-Novembers 2009, and 2010 excluding October 2009.
  4. †The October 2009 data was excluded.
  5. ‡Results reported as mean (standard deviation) and median (interquartile range) for continuous variables and number (%) for categorical data.
  6. §Chi2 test for categorical data. Statistical difference performed on complete data only.
  7. ¥Logistic regression adjusted for age, gender and pre-stroke Rankin. Odds ratios and corresponding 95% confidence intervals are reported.
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BMC Research Notes

ISSN: 1756-0500

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