The phrase "an approximate incidence" is correct and usable in written English.
It can be used when discussing an estimated occurrence or frequency of an event or phenomenon.
Example: "The study reported an approximate incidence of 15% for the condition among the population surveyed."
Alternatives: "an estimated occurrence" or "a rough frequency".
Neurofibromatosis type 1 (NF1) is the most common neurocutaneous disorder, with an approximate incidence of 1 in 3,500.
Spontaneous regression (SR) of many malignant tumors has been well documented, with an approximate incidence of one per 60,000 100,000 cancer patients.
Two reported adverse events in the walking group will represent an approximate incidence of 5%.
According to preliminary data, the composite endpoint has an approximate incidence of 10%.
Catheter-associated Candida biofilms can lead to candidemia with an approximate incidence of one case per 100 hospital admissions [ 25].
The main co-morbidity is related with psychiatric disorders, such as depression or anxiety, with an approximate incidence of 28% in the Western population [ 25, 26].
Uganda, with a population of 34,509,000 people, has an approximate TB incidence of 193/100,000 population/year with an estimated TB incidence among the HIV-infected of 53/100,000 population/year [ 1].
The thin arrow with a horizontal short line shows the approximate incidence angle.
22 This is compared with an approximate 3% incidence with moderately-potent comparators.
Nationally, 300 600 cases of bacillary dysentery are reported each year, yielding an approximate annual incidence of 3.2/100,000 population [ 2].
The catchment population for these hospitals was 537,620 children giving an approximate annual incidence of: any CNS infection 7.45/100 000; aseptic meningitis 3.0/100 000; purulent meningitis 2.2/100 000 and encephalitis 2.2/100 000.
