Table 1.
Characteristics of normal controls and patients with Barrett’s esophagus or esophageal adenocarcinoma used for microRNA expression profiling
| Variable | Controls (n = 6) | BE (n = 8) | EAC (n = 8) |
|---|---|---|---|
| Gender (male) | 3 (50 %) | 7 (88 %) | 7 (88 %) |
| Age (years, mean ± SD and range) | 51.8 ± 10.3 (40–68) | 59.5 ± 12.1 (40–76) | 56.0 ± 11.0 (42–70) |
| Barrett length (mean and range) | na | C4M5 (C1M3–C10M11) | C8M8 (C5M5–C13M13) |
| Tumor stage (T) | |||
| 1 | na | na | 0 (0 %) |
| 2 | 2 (25 %) | ||
| 3 | 5 (63 %) | ||
| 4 | 1 (13 %) | ||
| X (unknown) | 0 (0 %) | ||
| Lymph node status (N) | |||
| 0 | na | na | 3 (30 %) |
| 1 | 2 (25 %) | ||
| 2 | 0 (0 %) | ||
| 3 | 3 (38 %) | ||
| 4 | 0 (0 %) | ||
| X (unknown) | 0 (0 %) | ||
| Metastasis (M) | |||
| 0 | na | na | 1 (13 %) |
| 1 | 1 (13 %) | ||
| X (unknown) | 6 (75 %) | ||
| Body mass index (mean ± SD) | 26.8 ± 5.3 | 25.2 ± 2.1 | 24.1 ± 1.9 |
| Current smokers | 1 | 2 | 1 |
| Previous smokers | 1 | 2 | 4 |
| Non-smokers | 4 | 4 | 3 |
BE Barrett’s esophagus, EAC esophageal adenocarcinoma, CM circumference length, maximum length