Outcome variable | Covariates | Total R2 | Intraclass correlation coefficient | AIC | |||
Total | CCG | Acute | % Acute | ||||
Multilevel linear regression | |||||||
Standardised 2WWRR | None | 0.212 | 0.209 | 0.081 | 0.131 | 63 | 31 993 |
Multilevel Poisson regression (primary analysis) | |||||||
Detection rate | None | 0.405 | 0.391 | 0.135 | 0.256 | 66 | 24 780 |
Detection rate | a | 0.460 | 0.346 | 0.111 | 0.235 | 68 | 24 181 |
Detection rate | a+b | 0.474 | 0.335 | 0.104 | 0.231 | 69 | 24 082 |
Multilevel Poisson regression (secondary analysis) | |||||||
Detection rate | c | 0.479 | 0.380 | 0.119 | 0.261 | 69 | 24 414 |
Detection rate | c+d | 0.473 | 0.369 | 0.115 | 0.253 | 69 | 24 327 |
Detection rate | c+d+e+f | 0.458 | 0.337 | 0.095 | 0.243 | 72 | 24 177 |
Covariates: a=standardised 2WWRR; b=(standardised 2WWRR) 2; c=specificity; d=(specificity) 2 ;e=proportion patients aged 65+ years and index of multiple deprivation.
AIC, Aikake information criterion; CCG, Clinical Commissioning Group; ICC, intraclass correlation coefficient; 2WWRR, two week wait referral rate.