Table 2.

Fasting blood glucose changes by month.

Month	1	2	3	4	5	6
Mean FBG (mg/dL)	160.4	154.3	149.8	146.2	146.6	148.4
SEM	3.037	2.678	2.455	2.398	2.468	3.43
Delta	N/A	-5.677	-10.19	-13.78	-13.41	-11.59
95% CI	N/A	-10.95 to -0.4017	-15.03 to -5.357	-18.51 to -9.047	-18.28 to -8.538	-18.37 to -4.813
P value (two tailed)	N/A	.035a	<.001a	<.001a	<.001a	.009a
N	308	247	223	189	169	153

^aP ≤.05.