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. 2017 Nov 6;9(12):1013–1018. doi: 10.14740/jocmr3227w

Table 4. Coefficient of Correlation Between Groups.

Vitamin D n Vitamin D follow-up (mean ± SD) HbA1c post-supplementation (mean ± SD) Coefficient of correlation P value
≥ 20 and < 50 164 41.34 ± 5.35 7.95 ± 1.70 -0.02 0.79
≥ 50 and < 75 288 62.94 ± 7.33 8.03 ± 1.84 0 0.97
≥ 75 548 101.5 ± 22.83 7.46 ± 1.39 -0.1 0.02

HbA1c: glycated hemoglobin.