TABLE 3.
Characteristics for operated esophageal cancer patients diagnosed 1994–2002, according to hospital of surgery
| Characteristic | Total | Teaching, nonuniversity | University | Nonteaching | P value | ||||
|---|---|---|---|---|---|---|---|---|---|
| N | % | n | % | n | % | n | % | ||
| Stage | |||||||||
| Stage 1 | 32 | 15.5 | 12 | 20.0 | 14 | 14.7 | 6 | 10.3 | .299a |
| Stage 2A | 65 | 26.8 | 18 | 38.3 | 23 | 25.3 | 24 | 31.0 | |
| Stage 2B | 26 | 12.2 | 8 | 13.3 | 12 | 12.6 | 6 | 10.3 | |
| Stage 3 + 4 | 82 | 38.5 | 16 | 26.7 | 39 | 41.1 | 27 | 46.6 | |
| Unknown | 8 | 7.0 | 1 | 1.7 | 6 | 6.3 | 1 | 1.7 | |
| Age at diagnosis (y) | |||||||||
| <50 | 24 | 11.3 | 8 | 13.3 | 13 | 13.7 | 3 | 5.2 | .230 |
| 50–59 | 67 | 31.5 | 16 | 26.7 | 36 | 37.9 | 15 | 25.9 | |
| 60–69 | 80 | 37.6 | 25 | 41.7 | 30 | 31.6 | 25 | 43.1 | |
| 70+ | 42 | 19.7 | 11 | 18.3 | 16 | 16.8 | 15 | 25.9 | |
| Histology | |||||||||
| Squamous cell carcinoma | 62 | 29.1 | 21 | 35.0 | 27 | 28.4 | 14 | 24.1 | .606 |
| Adenocarcinoma | 140 | 65.7 | 35 | 58.3 | 63 | 66.3 | 42 | 72.4 | |
| Other | 11 | 5.2 | 4 | 6.7 | 5 | 5.3 | 2 | 3.4 | |
| Tumor location | |||||||||
| Upper and middle thoracic | 39 | 18.3 | 13 | 21.7 | 17 | 17.9 | 9 | 15.5 | .130 |
| Lower thoracic | 169 | 79.3 | 47 | 78.3 | 73 | 76.8 | 49 | 84.5 | |
| Not stated | 5 | 2.3 | – | – | 5 | 5.3 | – | – | |
| Total | 213 | 100.0 | 60 | 100.0 | 95 | 100.0 | 58 | 100.0 | |
a Excluding stage unknown.