Table 4. Hospitalizations in persistent patients (mean number of hospitalizations).
| Type | No. | Min | ASL associated with min | Max | ASL associated with max | Mean Diff. | SD | CI 95% Low. Lim. | CI 95% Upp. Lim. | p-value | |
| Metformin | Branded | 1408 | 1.13 | Lecco | 1.33 | Pavia | 0.03 | 0.02 | −0.01 | 0.07 | N.S. |
| A10BA02 | Generic | 1490 | 1.20 | Bergamo | 1.28 | Lecco e Pavia | |||||
| Amlodipine | Branded | 3832 | 1.26 | Melegnano | 1.31 | Pavia e Milano city | −0.02 | 0.03 | −0.07 | 0.04 | N.S. |
| C08CA01 | Generic | 677 | 1.18 | Lecco | 1.32 | Pavia e Bergamo | |||||
| Simvastatin | Branded | 1657 | 1.20 | Lecco | 1.28 | Milano city | −0.01 | 0.02 | −0.05 | 0.03 | N.S. |
| C10AA01 | Generic | 1391 | 1.21 | Pavia | 1.29 | Lecco e Melegnano | |||||
| Sertraline | Branded | 310 | 1.14 | Pavia | 1.26 | Lecco | −0.04 | 0.04 | −0.13 | 0.04 | N.S. |
| N06AB06 | Generic | 313 | 1.06 | Lecco | 1.47 | Pavia | |||||
| Propafenone | Branded | 127 | 1.00 | Pavia | 1.40 | Melegnano | −0.03 | 0.06 | −0.14 | 0.08 | N.S. |
| C01BC03 | Generic | 101 | 1.00 | Melegnano | 1.50 | Pavia | |||||
| Alendronate | Branded | 310 | 1.07 | Lecco | 1.30 | Milano city | 0.002 | 0.04 | −0.08 | 0.08 | N.S. |
| M05BA04 | Generic | 234 | 1.12 | Melegnano | 1.31 | Bergamo |
ASL: Local Healthcare Units. ASLs enrolled: Milano city; Lecco; Bergamo; Pavia; Milano2.
N.S. not statistically significant.