Average Cost of 30-Day Prescription by Clinic*
| Clinic | No. of Physicians | Mean | SD | Min | Max |
|---|---|---|---|---|---|
| X† | 8 | $47.57 | $4.32 | $41.83 | $56.67 |
| Y | 8 | $39.49 | $2.49 | $34.92 | $42.04 |
| Z | 7 | $41.48 | $1.94 | $38.17 | $43.97 |
* P < .0001 using ANOVA.
† Significantly different from the rest in average cost of 30-day prescription.