Table 3: Relationship between criteria fitting and percentage of P1/P2 appointments before and after intervention       Before Intervention   After Intervention     Disease group   % letters fitting any criteria   % P1/P2 appointment if fit criteria   % P1/P2 appointment if not fit criteria   Likelihood ratio of P1/P2 appointment if fit criteria   % letters fitting any criteria   % P1/P2 appointment if fit criteria   % P1/P2 appointment if not fit criteria   Likelihood ratio of P1/P2 appointment if fit criteria   Relative improvement in criteria fitting Blood pressure   3.5   0.0   0.0   n/a   31.3   100   0.0   n/a   8.91 (1.9-41.68) Cardiac related   18.8   90.5   13.2   6.86 (3.98-11.83)   37.9   100   17.7   5.64 (3.30-9.63)   2.06 (1.30-3.25) Diabetes   33.3   8.3   0.0   n/a   30.3   90.0   52.1   1.73 (1.11-2.69)   0.91 (0.45-1.82) Gastrointestinal   6.7   83.3   4.8   17.29 (6.23-47.99)   23.7   100   0.0   n/a   3.51 (1.34-9.18) Headache   16.7   33.3   0.0   n/a   28.6   100   0.0   n/a   1.71 (0.36-8.17) Hepatology   0.0   0.0   0.0   n/a   0.0   0.0   33.3   n/a   n/a Neurology   36.4   75.0   14.3   5.25 (0.78-35.13)   23.8   80.0   6.3   12.8 (1.83-89.76)   0.65 (0.22-1.95) Renal   5.9   100.0   0.0   8.00 (3.20-20.01)   13.6   100   5.3   19.0 (2.82-128.01)   2.32 (0.42-12.78) Respiratory   13.5   60.0   3.1   19.20 (2.45-150.28)   23.8   60.0   25.0   2.40 (0.79-7.28)   1.76 (0.58-5.39) Rheumatology   20   66.7   0.0   8.00 (1.04-61.52)   20   100   12.5   8.0 (2.19-29.25)   1.00 (0.26-3.81) Thyroid   18.2   100   7.7   13.50 (3.56-51.23)   29.2   100   11.8   8.50 (2.31-31.25)   6.60 (3.27-13.31) Overall   13.2   79.7   9.3   8.60 (6.22-11.89)   26.8   97.7   17.2   5.54 (4.18-7.34)   2.03 (1.52-2.71)