Table 4.
Demographics of vomiting responders vs nonresponders
| Variables | Responders (n=20) | Nonresponders (n=10) | P-value |
|---|---|---|---|
| Age (years), mean ± SD | 45.2±17.1 | 46.7±24.8 | 0.93 |
| BMI (kg/m2), mean ± SD | 24.6±5.7 | 26.1±6.2 | 0.52 |
| GES 4-hour residue (%), mean ± SD | 30.9±12.9 | 23.9±11.4 | 0.18 |
| Ethnicity | 1.0a | ||
| Caucasian | 16 | 8 | |
| Non-Caucasian | 4 | 2 | |
| Etiology | 0.052b | ||
| Idiopathic | 14 | 10 | |
| Non-idiopathicc | 6 | 0 |
Notes: For GES, ≤10% residue after 4 hours is considered normal while >10% is consistent with gastroparesis.
a
Represents comparison of Caucasian vs non-Caucasian participants;
b
represents comparison of idiopathic vs non-idiopathic gastroparesis;
c
includes diabetic (4), postsurgical (1), and post-viral (1).
Abbreviations: BMI, body mass index; GES, gastric emptying study; SD, standard deviation.