Efficacy of inositol supplementation in the prevention and treatment of gestational diabetes mellitus: A meta-analysis

Table 3 Baseline characteristics and comparability analysis of included studies

Ref.	Intervention (n)	Control (n)	Age, years (I/C)	ΔAge	P value	BMI, kg/m2 (I/C)	ΔBMI	P value	Ethnicity match	Matched covariates
Chan et al[21]	341	340	28.3 ± 3.1/28.1 ± 3.4	+0.2	0.32	23.8 ± 2.9/23.5 ± 3.1	+0.3	0.41	Yes	Age, BMI
Li and Shi[22]	659	660	29.2 ± 4.2/29.0 ± 4.5	+0.2	0.18	24.1 ± 3.3/24.3 ± 3.0	-0.2	0.25	Yes	Age, BMI, ethnicity
Greff et al[10]	679	678	30.1 ± 4.8/30.3 ± 5.1	-0.2	0.27	25.2 ± 3.8/24.9 ± 3.5	+0.3	0.13	Yes	Age, BMI
Guo et al[23]	343	343	27.8 ± 3.5/27.6 ± 3.8	+0.2	0.42	24.3 ± 2.7/24.5 ± 2.9	-0.2	0.38	Yes	Age
Li and Fang[24]	625	625	28.9 ± 4.1/28.7 ± 4.3	+0.2	0.31	25.1 ± 3.4/24.8 ± 3.6	+0.3	0.19	Yes	Age, BMI, parity
Factor and Corpuz[25]	293	293	31.2 ± 5.3/30.8 ± 5.1	+0.4	0.23	28.4 ± 4.2/28.1 ± 4.5	+0.3	0.34	Yes	BMI, GA
Liu and Liu[26]	172	172	26.7 ± 3.2/26.9 ± 3.4	-0.2	0.57	23.9 ± 2.8/24.2 ± 2.6	-0.3	0.22	Yes	Age, weight
Mashayekh-Amiri et al[27]	360	360	29.5 ± 4.4/29.3 ± 4.6	+0.2	0.49	27.8 ± 3.9/27.5 ± 4.1	+0.3	0.27	Yes	Age, BMI, glucose
Vitagliano et al[28]	224	224	31.6 ± 4.9/31.4 ± 5.2	+0.2	0.65	26.7 ± 3.7/26.9 ± 3.8	-0.2	0.51	Yes	BMI, FHx
Wei et al[12]	336	335	27.5 ± 3.8/27.8 ± 3.7	-0.3	0.28	24.0 ± 3.1/24.3 ± 3.2	-0.3	0.17	Yes	Ethnicity
Zhang et al[29]	216	216	28.4 ± 3.9/28.1 ± 4.0	+0.3	0.36	23.7 ± 2.8/23.9 ± 2.7	-0.2	0.42	Yes	Parity, BMI
Zheng et al[30]	262	262	26.3 ± 3.6/26.5 ± 3.4	-0.2	0.47	23.5 ± 2.5/23.8 ± 2.6	-0.3	0.15	Yes	Pre-BMI

I: Intervention group; C: Control group; Δ: Mean difference; BMI: Body mass index; GA: Gestational age; FHx: Family history of diabetes.