TABLE 1.

Subgroup Analysis of Average A1C in Year Before Conversion and Year After Conversion

QuartilePreconversion A1C (%)Postconversion A1C (%)P
16.7 ± 0.57.3 ± 1.2<0.001
27.7 ± 0.28.0 ± 1.00.024
38.7 ± 0.48.9 ± 1.60.844
410.6 ± 1.19.7 ± 1.90.001