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Table 1 Characteristics of the developmental and validation datasets

From: Diagnosis of TIA (DOT) score – design and validation of a new clinical diagnostic tool for transient ischaemic attack

  Development cohort (n = 879) Validation cohort (n = 525) P values
Age in years (mean, SD(standard deviation) 69.3 (13.8) 70.8 (14.0) 0.051
Sex (proportion of females) 50.4 % 54.1 % 0.198
Referred by: Not available   N/A
 GP   66.1 %  
 ED   18.1 %
 Other   15.8 %
Proportion of TIA 272 (30.9 %) 160 (30.5 %) 0.901
Proportion of stroke 174 (18.7 %) 76 (14.5 %) 0.014
Proportion of mimics 443 (50.4 %) 289 (55.1 %) 0.103
Previous cerebrovascular disease 128 (14.6 %) 32 (6.1 %) < 0.001
Hypertension 365 (41.5 %) 106 (20.2 %) < 0.001
Diabetes 117 (13.3 %) 27 (5.2 %) < 0.001
AF 101 (11.2 %) 25 (4.8 %) < 0.001
Smoker 165 (18.8 %) 24 (4.6 %) < 0.001
  1. GP, general practitioner, ED, emergency department