| Atorvastatina | Simvastatinb | ||
| Occurrence (%) | Occurrence (%) | ||
| Paresthesias of limbs | 37.5 | Muscle cramps | 45.0 |
| Muscle aches | 31.7 | Muscle aches | 39.1 |
| Muscle cramps | 30.7 | Weakness | 39.1 |
| Sleeplessness | 27.8 | Paresthesias of limbs | 37.5 |
| Weakness | 25.0 | Sleeplessness | 29.1 |