Research Article
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 | RGI | NRGI | value |
| Mean age (years) ± SD | 13.4 years ± 3.6 yrs | | | .08 | Male gender | 25/76 (32%) | 9 /32 (28%) | 16/44 (36%) | .46 | Median duration of symptoms
(range in months) | | | 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 |
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