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Table 3 GPs’ referral rates to radiological examination, N=4350 consultations 1

From: High referral rates to secondary care by general practitioners in Norway are associated with GPs’ gender and specialist qualifications in family medicine, a study of 4350 consultations

   #GPs Mean referral rates, (n / N) Adjusted 95% CI
per 100 consultations odds ratio
    % (median)    
Total mean (median) referral rate    4.2 (4.0) (181/4350)   
    Range: 0.0-12.9    
Patients’ gender Male, 0   4.1 (79/1911)   
  Female, 1   4.2 (102/2439) 0.96 (0.70 - 1.30)
Patients’ age 0-9 years   2.1 (5/238) 0.402 (0.16 - 1.02)
  10-29 years   3.0 (19/636) 0.563 (0.33 - 0.95)
  30-49 years   5.2 (61/1166) 1  
  50-69 years   4.4 (58/1321) 0.83 (0.57 - 1.20)
  >=70 years   3.8 (38/989) 0.70 (0.46- 1.07)
GPs’ gender Male, 0 30 4.0 (4.0) (120/2977)   
  Female, 1 14 4.4 (3.0) (61/1373) 0.98 (0.61- 1.57)
GPs’ age < 35 years 12 2.9 (2.0) (34/1174) 0.96 (0.49 - 1.86)
  35 – 49 years 17 5.1 (4.1) (86/1676) 1  
  >= 50 years 15 4.1 (3.0) (61/1500) 0.72 (0.41- 1.26)
Specialists in family medicine No, 0 22 3.2 (3.0) (68/2149)   
  Yes, 1 22 5.1 (4.0) (113/2201) 1.933 (1.05 - 3.55)
Solo practice No, 0 39 4.3 (4.0) (164/3850) Not included in model  
  Yes, 1 5 3.4 (4.0) (17/500)   
Practice type Private practice, 0 27 3.5 (2.0) (94/2675)   
  Salaried, 1 17 5.2 (5.0) (87/1675) 2.003 (1.21 - 3.31)
Travel time to nearest hospital <30 minutes 12 4.4 (2.0) (53/1201) 0.99 (0.52 - 1.86)
  30 - 89 minutes 12 5.4 (5.0) (62/1148) 1  
  >= 90 minutes 20 3.3 (3.0) (66/2001) 0.66 (0.39 - 1.12)
Country where medical degree was obtained Abroad=0 13 3.1 (3.0) (39/1247)   
  Norway=1 31 4.6 (4.0) (142/3103) 1.733 (1.03 – 2.89)
  1. 1Mean referral rates and probability of referral by various variables analyzed by multilevel multivariable logistic regression.
  2. 2 p=0.054.
  3. 3 p<0.05.
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