The role of text messaging intervention in Inner Mongolia among patients with type 2 diabetes mellitus: a randomized controlled trial

Table 7 Change in primary outcomes during the intervention

	Total		CG		IG		t^b	P value
	At 12 month	Change ^a	At 12 month	Change ^a	At 12 month	Change ^a
Primary outcomes, Mean (SD)
FPG (mmol/L)	8.0 (2.1)	−0.9 (2.9)	8.4 (2.2)	−0.4 (2.8)	7.7 (1.9)	−1.5 (3.0)	2.556	0.011^*
PPG (mmol/L)	11.1 (2.8)	−5.4 (4.8)	11.9 (3.2)	−4.2 (4.7)	10.4 (2.2)	−5.8 (5.1)	2.633	0.009^*

^*P < 0.05. ^a change = Endpoint value – Baseline value; ^b The t value was the comparative result of the changes between the CG and the IG
FPG fasting plasma glucose, PPG postprandial glucose, CG control group, IG intervention group, SD standard deviation

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