Table 6 Prescription costs per patient—results of bivariate robust regression analyses and Spearman’s—rho coefficients in pulmologists (n = 642)
From: Factors associated with prescribing costs: analysis of a nationwide administrative database
Independent variables | R2 lmrob | Spearman |
|---|---|---|
Number of patients | .02 | − .09 |
Average age of patients | .21 | .46 |
Median age of patients | .17 | .42 |
Proportion of pensioners | .19 | .42 |
Proportion of female patients | .00 | − .12 |
Morbidity index | .05 | .36 |
Proportion of prescriptions issued (PPI) | .28 | .45 |
Proportion of DDD issued (PDDD) | .50 | .45 |
Proportion of polypharmacy patients | .04 | .29 |
Proportion of polypharmacy patients ≥ 2Q | .18 | .47 |