Carotenoid concentrations
| Barrett’s oesophagus (n = 36) | Erosive oesophagitis (n = 32) | Patient controls (n = 35) | |
|---|---|---|---|
| Values shown are mean (95% confidence interval). | |||
| *p = 0.008 v oesophagitis; **p = 0.002 v oesophagitis. | |||
| α Carotene (μmol/l) | 0.05 (0.04–0.06) | 0.05 (0.04–0.06) | 0.05 (0.04–0.06) |
| β Carotene (μmol/l) | 0.28 (0.24–0.32) | 0.30 (0.26–0.34) | 0.32 (0.27–0.37) |
| β Cryptoxanthine (μmol/l) | 0.06* (0.05–0.08) | 0.10 (0.08–0.13) | 0.08 (0.07–0.10) |
| Lycopene (μmol/l) | 0.32 (0.26–0.38) | 0.28 (0.20–0.35) | 0.26 (0.21–0.31) |
| Xanthophyll (μmol/l) | 0.35** (0.27–0.44) | 0.55 (0.41–0.69) | 0.48 (0.33–0.63) |