Sentence examples for quartile was compared from inspiring English sources

Calendar time was discretized into quartiles, and the effect of each quartile was compared to the first quartile as an indicator variable.

This did not change when only subjects with significant Rayleigh tests were included, or when the lowest age quartile was compared to highest (data not shown).

Calcium-phosphate product was split into quartiles and the upper quartile was compared to the 3 lower quartiles when comparing effect on mortality.

This protection from AMD was also seen as a trend when the worst AI quartile was compared to the best, but was not consistent across all quartiles.

In the final adjusted model, an increase in LBW of approximately 50% occurred when the fourth quartile was compared with the first quartile range of PM2.5 and CO.

In the final adjusted model for newborn sex, the number of prenatal appointments, and the mother's education and age group, an increase in approximately 50% of LBW occurred when the fourth quartile was compared with the first quartile range of PM2.5 and CO.

Highly stressed students (4th quartile) were compared with lesser stressed students (1st quartile).

In addition, the least square means of birth weight for each quartile were compared using the Hsu Dunnett method to accommodate for multiple comparisons.

The categorical model yielded estimates of the incidence RRs for infants in the three highest quartiles of exposure, when infants in each quartile are compared with those in the lowest quartile.

Patients presenting with sleep duration less than 6.5 h (first quartile) were compared with patients with sleep duration longer than 6.5 h by ANOVA for normally distributed variables and by the Wilcoxon test for nonnormally distributed variables.

The demographics and clinical characteristics of participants (age, body mass index, duration of diabetes, HbA1c, mean glucose level, SD of glucose level, and percentage of time spent <3.9 mmol/L) with the lowest sensor accuracy (MARD in the worst fourth quartile) were compared against those with the highest accuracy (MARD in the best first quartile) (Supplementary Table S1).