Autonomic Testing in Functional Gastrointestinal Disorders: Implications of Reproducible Gastrointestinal Complaints during Tilt Table Testing

Table 1

Summary of demographic characteristics and results of autonomic testing in each group.

	Overall 𝑁=76	RGI 𝑛=32	NRGI 𝑛=44	𝑃 value
Mean age (years) ± SD	13.4 years ± 3.6 yrs	12.6±3.3	14.1±3.70	.08
Male gender	25/76 (32%)	9 /32 (28%)	16/44 (36%)	.46
Median duration of symptoms (range in months)	41.5±24.0	29.3±30.9	51 ± 45.6	.04
	24(1-156)	18(2-120)	35(1-156)
Abnormal Valsalva Ratio (no. subjects)	8/76 (10%)	1/32 (3%)	7/44 (15%)	.13
Abnormal Deep Breathing (no. subjects)	7/76 (9%)	2/32 (6%)	5/44 (11%)	.69
Either DB and Valsalva ratio abnormal	15/76 (20%)	3/32 (9%)	12/44 (27%)	.13
Abnormal Axon-Reflex Response	23/76 (30%)	10/32 (31%)	13/44 (29%)	.81
POTS on TTT	59/76 (77%)	28/32 (87%)	31/44 (70%)	.09
Patients on Fludrocortisone	23/76 (30%)	15/32 (46%)	8/44 (18%)	.01
No. Patients with ≥4/5 Treatment response to Fludrocortisone	13/76 (17%)	11/32 (34%)	2/44 (4%)	.09