TABLE 1.
Subject Characteristics
| Cohort (n = 124) Mean (SE) or n (%) |
|
|---|---|
| Mean age at presentation, d, mean (SD) | 51.6 (5.9) |
| Male sex | 58 (47) |
| Female sex | 66 (53) |
| History of prematurity | 30 (24) |
| Mean gestational age, wks, mean (SD) | 34.2 (0.35) |
| Race Caucasian Black Asian Other Not Reported |
74 (60) 15 (12) 3 (2) 19 (15) 13 (11) |
| Ethnicity Hispanic Non-Hispanic Not reported |
14 (11) 93 (75) 17 (14) |
| Geographic Area Local Regional National |
98/103 (95) 4/103 (4) 1/103 (1) |
| Private insurance | 58/103 (56) |
| Government insurance | 45/103 (44) |
| Feeding Formula fed only Breastfed only Combination fed |
44 (36) 36 (29) 44 (36) |
| Mean I-GERQ-R, mean (SD) (n = 49) | 17.06 (0.76) |
| I-GERQ-R Abnormal (n = 49) | 38 (57) |
| Prior acid suppression medication | 16 (13) |
| H2RA | 15 (12) |
| PPI | 3 (2) |
| Prior hypoallergenic formula | 21 (17) |
| Prior thickening | 7 (6) |
SE, standard error; I-GERQ-R, Infant Gastroesophageal Reflux Questionnaire Revised; H2RA, H2 receptor antagonist, PPI: proton pump inhibitor.