The phrase "a variable incidence" is correct and usable in written English.
It can be used in contexts discussing occurrences or events that vary in frequency or intensity.
Example: "The study revealed a variable incidence of the disease across different regions, indicating the need for targeted health interventions."
Alternatives: "a fluctuating occurrence" or "an inconsistent frequency".
Gallbladder cancer (GBCA) is a rare malignancy with a variable incidence worldwide.
Various recent studies using modern standardized classifications for AKI reported a variable incidence of AKI after major abdominal surgery ranging from 3 to 35%.
Femoral neck fractures in children are well known for their sinister nature and potential for complications, especially avascular necrosis, which poses the most serious problem and has been reported to have a variable incidence [15, 16, 18, 19, 20, 21, 22].
Parapneumonic pleurisy has a variable incidence on patients with community bacterial pneumonia, worsening the disease evolution.
The various underlying chronic liver diseases that result in cirrhosis have a variable incidence of HCC development.
Postoperative urine retention (POUR) is a well-known complication in hip (THA) and knee arthroplasty (TKA), but with a variable incidence ranging from 0%to75%5% (Balderi and Carli 2010).
We found evidence of a substantial but variable incidence of influenza pneumonia mainly affecting young children and the elderly.
Hepatocellular carcinoma is a disease of variable incidence and etiology that is managed differently worldwide.
A1C was treated as an interval censored dependent variable, incidence as an independent variable, and study as an independent factor.
The major difference between these publications, and a possible explanation for this variable incidence, is that the criteria used for diagnosis of TIC vary among studies.
Arguably the most common serious adverse event, PEAP has been reported with variable incidence (2 9%% overall, approximately 3.5 % in a meta-analysis of several prospective studies, and up to 30%% of high risk cases) according to patient selection.
