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. Author manuscript; available in PMC: 2017 Apr 1.
Published in final edited form as: J Biomed Inform. 2016 Jan 25;60:66–76. doi: 10.1016/j.jbi.2016.01.007

Table 4.

Value intervals for age, HbA1c, BMI, and gender after value intervals of numeric variables were refined by k-means (k = 2) clustering twice.

Variable Value intervals
Age (12, 14], (14, 24], (24, 44], (44, 64], (64, 85]
HbA1c (3.8, 5.7], (5.7, 6.4], (6.4, 7.2], (7.2, 8.6], (8.6, 9.7], (9.7, 18.0]
BMI (15, 18.5], (18.5, 25], (25, 30], (30, 39), (39, 60], (60, 82]
Gender [1, 1], [2, 2]