| Demographic parameter | Group I = manifest LPR (n = 25) | Group II no LPR symptoms (n = 25) | Total (n = 50) | p-value | ||
| Age | Mean ± SD | 40.4 ± 12.9 | 39.8 ± 10.7 | 40.1 ± 11.8 | 0.92 | |
| Sex n (%) | Female/male | 13 (52%)/12 (48%) | 12 (48%)/13 (52%) | 25 (50%)/25 (50%) | 0.77 | |
| Residence n (%) | Urban/rural | 15 (60%)/10 (40%) | 14 (56%)/11 (44%) | 29 (58%)/21 (42%) | 0.77 | |
| BMI | Mean | 32.9 ± 5.6 | 31.6 ± 5.5 | 31.8 | 0.99 | |
| Absolute figure | ≥25/<25 | 22 (88%)/3 (12%) | 17 (68%)/8 (32%) | 39 (78%)/11 (22%) | 0.52 | |