Table 1. Baseline characteristics of patient cohort comparing progressors (any progression) vs non-progressors.
M, male; F, female; BO, Barrett’s oesophagus; AFI, autofluorescence imaging; ND, non-dysplastic; ID, indefinite for dysplasia; LGD, low-grade dysplasia.
| Variable | Total patient population (n=127) | Progressors (n=42) | Non-progressors (n=85) | Progressors vs non-progressors comparison |
|---|---|---|---|---|
| M:F (ratio) | 107:20 (5.4:1) | 36:6 (6:1) | 71:14 (5.1:1) | p=0.98 (Fisher Exact test) |
| Median age in yrs (Q1-Q3) | 65.6 (59.2-72.9) | 64.9 (58.5-68.9) | 66.0 (60.3-73.0) | p=0.91 (t-test) |
| Median BO length in cm (Q1-Q3) | 6 (5-9) | 6 (5-9) | 7 (5-9) | p=0.94 (t-test) |
| Median follow-up in yrs (Q1-Q3) | 4.6 (2.0-6.3) | 1.2 (0.6-3.3) | 5.4 (4.0-6.5) | p=0.000003 (t-test) |
| Median number of AFI+ areas (Q1-Q3) | 1 (1-2) | 1 (1-2) | 1 (1-2) | p=0.97 (t-test) |
| Baseline histology NDBO:ID:LGD | 98:10:19 | 24:4:14 | 74:6:5 | P=0.00015 (Fisher Exact test) |