"frequency of side effects" is correct and usable in written English.
You can use it when discussing the rate or number of side effects experienced by a group of people taking a particular medication or undergoing a certain treatment. Example: The frequency of side effects for this new medication was found to be higher in patients over the age of 65.
The frequency of side effects, lower effectiveness in chronic infections, and logistical difficulty for physicians wishing to prescribe these drugs create barriers to successful treatment of patients with Chagas disease.
This approach is based on the hypothesis that re-irradiation to a limited volume will be effective and result in an acceptable frequency of side effects.
This approach is based on the hypothesis that re-irradiation of a limited volume will be effective and result in an acceptable frequency of side effects.
To compare the demographic data and frequency of side effects between the protocols, Fisher's exact test (two sided) was performed.
No significant differences in the frequency of side effects or infections were observed between groups.
The frequency of side effects varied considerably among studies, the most frequent being weight loss, anorexia, abdominal pain, difficulties in concentrating, sedation and paresthesia.
The two groups didn't shown any significant difference in terms of overuse patterns, baseline psychological, disability assessment and in the frequency of side effects to injections.
At the same time, the frequency of side effects from treatment with IFN alpha and its cost should be taken into consideration.
To evaluate the analgesia following cesarean delivery and the frequency of side effects of intrathecal morphine when combined with a continuous epidural infusion.
The presence and frequency of side effects will depend on how the study is designed and whether these effects are specifically sought by the investigators.
Secondary outcomes were the time from induction to delivery, need for oxytocin augmentation, mode of delivery, frequency of side effects, and neonatal and maternal outcome.
