Circulating FABP4, nesfatin-1, and osteocalcin concentrations in women with gestational diabetes mellitus: a meta-analysis

Table 3 Meta-regression analysis of heterogeneity in circulating FABP4, nesfatin-1, and OC levels in the examined group of studies

Variables	Coefficient	Standard error	95% CI	t	P
FABP4
Publication year	− 140.74	305.92	[− 786.18, 504.69]	−0.46	0.65
Geographic region	2.41	2.04	[−1.97, 6.79]	1.18	0.26
Sample size	3.50	1.18	[1.00, 6.00]	2.95	0.009
Gestational BMI	−4.19	5.33	[−15.44, 7.04]	−0.79	0.44
Gestational age	8.10	4.59	[−1.58, 17.78]	1.76	0.09
Nesfatin-1
Publication year	−40.65	233.28	[− 568.37, 487.06]	−0.17	0.87
Geographic region	−0.40	0.87	[−2.43, 1.62]	−0.47	0.65
Sample size	−.041	0.45	[−1.43, 0.61]	−0.91	0.39
Gestational BMI	1.49	1.75	[−2.56, 5.53]	0.85	0.42
Gestational age	−2.23	5.57	[−15.08, 10.61]	−0.40	0.70
OC
Publication year	− 203.76	275.32	[−817.20, 409.69]	−0.74	0.48
Geographic region	0.47	0.86	[−1.52, 2.46]	0.55	0.60
Sample size	1.28	0.81	[−0.51, 3.08]	1.60	0.14
Gestational BMI	2.20	2.22	[−2.75, 7.16]	0.99	0.35
Gestational age	4.02	2.93	[−2.49, 10.54]	1.37	0.19

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