Body Mass Index (BMI)-Based Incidence of Dysplasia
| Nonobese Patients | Obese Patients | |||||
|---|---|---|---|---|---|---|
| All Patients | (BMI <30 kg/m2) | (BMI ≥30 kg/m2) | ||||
| n=1,999 | n=980 | n=1,019 | ||||
| Incidence rate | Incidence rate | Incidence rate | ||||
| per 1,000 | per 1,000 | per 1,000 | ||||
| Number | person-years | Number | person-years | Number | person-years | |
| Diagnosis | of cases | (95% CI) | of cases | (95% CI) | of cases | (95% CI) |
| Low-grade dysplasia | 47 | 7.1 (5.3-9.4) | 12 | 3.7 (1.9-6.2) | 35 | 10.5 (7.4-14.4) |
| High-grade dysplasia | 18 | 2.7 (1.6-4.2) | 3 | 0.9 (0.23-2.5) | 15 | 4.5 (2.6-7.3) |
| Esophageal adenocarcinoma | 1 | 0.15 (0.008-0.75) | 0 | 1 | 0.3 (0.02-1.5) | |
| Total | 66 | 15 | 51 | |||
CI, confidence interval.