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Impact of gastroesophageal reflux disease on pulmonary disease
| Ref. | Year | N pts | Median age (yr) | Pts With GERD (%) | N pts with FEV1 > 90% | N pts with FEV1 70%-89% | N pts with FEV1 40%-69% | N pts with FEV1 < 40% | P value Reflux on; Pulmonary function |
| Gustaffson et al[3] | 1991 | 12 | 14.4 | 66 | 4 | 2 | 4 | 2 | P < 0.05 |
| Stringer et al[40] | 1988 | 57 | 21.6 | 31 | ND | ND | ND | ND | P < 0.01 |
N: Number; pts: Patients; GERD: Gastroesophageal reflux disease; FEV1: Forced expiratory volume in 1 second l.
