Effects of body mass index on gastric motility: Comparing children with functional abdominal pain disorders and healthy controls

Table 3 Correlation of body mass index and gastric motility parameters according to the functional abdominal pain disorders subtypes

Motility parameter	IBS (n = 39)		FAP (n = 97)		FD (n = 25)		AM (n = 15)
	r	P value	r	P value	r	P value	r	P value
Fasting antral area	0.177	0.280	0.011	0.915	0.446	0.025	0.513	0.050
Antral area at 1 min	0.136	0.410	0.062	0.545	0.304	0.140	0.564	0.028
Antral area at 15 min	0.115	0.486	0.083	0.420	0.642	0.001	0.351	0.199
Gastric emptying rate	0.027	0.873	-0.082	0.427	-0.592	0.002	0.065	0.819
Frequency of antral contractions	0.137	0.404	0.040	0.698	-0.284	0.170	-0.172	0.539
Amplitude of antral contractions	0.144	0.381	0.263	0.009	-0.510	0.009	0.160	0.568
Antral motility index	0.204	0.213	0.254	0.012	-0.489	0.013	0.003	0.992

IBS: Irritable bowel syndrome; FAP: Functional abdominal pain not otherwise specified; FD: Functional dyspepsia; AM: Abdominal migraine; r: Pearson correlation coefficient.