The phrase "age age groups" is not correct and does not make sense in written English.
It seems to be a repetition and lacks clarity, making it unusable in any context.
Example: "The study focused on various age age groups, but the data was confusing."
Alternatives: "age categories" or "age ranges".
Cure rates were also stratified by country and age (age groups: ≤12 months; >12 months), though the study was not powered for proving efficacy within each country or age group.
To control for the non-linear effect of age, age groups were entered into the model.
Furthermore, data were stratified by age (age groups: 15 24, 25 44, 45 64, and 65+) and gender, where available.
Maternal age (age groups: ≤27 years, 28 32 years, ≥33 years), and height were registered at the first prenatal visit.
†Adjusted for age (age groups <18 y, 18 25 y, >25 y) and sex, except orchitis, which was adjusted only for age.
Women in the youngest (18 20 years of age) and oldest (>50 years of age) age groups represented only 3.9%and7.2%2%, respectively, of all cases (Table).
Women included were in their reproductive age (age group 15-49 years; USA: 18-49 years) and had ever experienced menstrual bleedings.
Inclusion criteria were: women in their reproductive age (age group 15-49 yexceptexcept USA: 18-49 years due to legal restrictions) who have ever experienced menstrual bleedings.
No association was observed between glioma and exposure to 12 widely used specific pesticides, after adjustment for age, age group, education, and any other pesticide exposure.
ICERs in the young and middle-age age groups (age 30 and 50) show cost-savings and are thus naturally below the EUR50,000/QALY gained that is routinely used as the threshold value for German health care interventions [ 34].
To investigate if τ depend on age, a regression model can be fitted for different ages (age groups) combined, and then test if there is significant difference in the slope parameter.
