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Table 2 Description of eligible stroke patients and Relative Risk of being appropriately referred to the SU by study group

From: An emergency clinical pathway for stroke patients – results of a cluster randomised trial (isrctn41456865)

   Patients with confirmed stroke Eligible
patients
Eligible
Pts referred to the SU
RR of being appropriately referred to the SU
   N N (%) N(%) crude RR adjusted RR* 95%CI accounting for clustering
Intention to treat
EMS 553 109 (19.7) 68(62.4) 3.88 4.09 (1.84, 5.59)
  404 56 (13.9) 9(16.1)   reference  
ER I 1004 325(32.4) 38 (11.7) 0.93 0.92 (0.23, 2.95)
  C 1010 272 (26.9) 34 (12.5)   reference  
Tot I 1557 434 (27.9) 106(24.4) 1.86 2.01 (0.79, 4.00)
  C 1414 328 (23.2) 43(13.1)   reference  
Per Protocol
EMS I 394 88 (22.3) 67(76.1) 4.40 4.43 (2.26, 5.45)
  C 386 52 (13.5) 9(17.3)   reference  
ER I 485 155 (32) 38(24.5) 1.87 1.92 (0.78, 3.82)
  C 967 259 (26.8) 34(13.1)   reference  
Tot I 879 243 (27.6) 105(43.2) 3.12 3.21 (1.62, 4.98)
  C 1353 311 (22.4) 43(13.8)   reference  
Metropolitan Area
EMS I 392 88 (22.4) 67 (76.1) 2.79 2.99 (1.11, 3.59)
  C 126 22(17.5 6(27.3)   reference  
ER I 485 155 (32) 38(24.5) 0.81 0.58 (0.31, 0.99)
  C 209 53(25.4) 16(30.2)   reference  
Tot I 877 243(27.7) 105(43.2) 1.47 1.86 (0.64, 2.93)
  C 335 75(22.4) 22(29.3)   reference  
  1. In Bold statistically significant adjusted relative risk and 95% confidence interval
  2. *RR adjusted by age, gender and geographical area of treatment (city Rome vs other districts);
  3. ° I = intervention arm; C = control arm