Table 1.
Patient characteristics
| GERD without CP | GERD with NCCP | GERD with CCP | |
| (n = 182) | (n = 124) | (n = 52) | |
| Age (mean ± SD, yr) | 46.16 ± 11.51 | 51.59 ± 11.44b | 61.13 ± 13.66bd |
| Sex (male/female) | 104/78 (1.33:1) | 78/46 (1.70:1) | 36/16 (2.25:1) |
| BMI (mean ± SD, kg/m2) | 23.44 ± 4.23 | 22.97 ± 3.19 | 23.26 ± 3.57 |
| Smoking, n (%) | 39 (21.2) | 37 (29.8) | 14 (26.9) |
| Alcohol, n (%) | 48 (26.4) | 26 (21.0) | 12 (23.1) |
b
P < 0.01 GERD with NCCP or CCP vs GERD without CP;
d
P < 0.01, GERD with CCP vs GERD with NCCP. BMI: Body mass index; CCP: Cardiac chest pain; CP: Chest pain; GERD: Gastroesophageal reflux disease; NCCP: Noncardiac chest pain.