Table 1.
Patient demographics and disease stage at diagnosis
| 2001–2004 (n = 446) | 2005–2008 (n = 610) | 2009–2012 (n = 693) | Total (n = 1749) | |
|---|---|---|---|---|
| Age at diagnosis (years) | ||||
| Median | 66 | 67 | 66 | 66 |
| 0–44 | 36 (8·1) | 51 (8·4) | 50 (7·2) | 137 (7·8) |
| 45–60 | 135 (30·3) | 168 (27·5) | 182 (26·3) | 485 (27·7) |
| 61–74 | 153 (34·3) | 209 (34·3) | 262 (37·8) | 624 (35·7) |
| ≥ 75 | 122 (27·4) | 182 (29·8) | 199 (28·7) | 503 (28·8) |
| Sex ratio (M : F) | 229 : 217 | 348 : 262 | 368 : 325 | 945 : 804 |
| Tumour stage | ||||
| Localized GIST | 283 (63·5) | 464 (76·1) | 539 (77·8) | 1286 (73·5) |
| Metastatic GIST | 90 (20·2) | 109 (17·9) | 124 (17·9) | 323 (18·5) |
| Unknown | 73 (16·4) | 37 (6·1) | 30 (4·3) | 140 (8·0) |
| (y)pT stage * | ||||
| T0 (no tumour after preoperative treatment) | 3 (0·7) | 3 (0·7) | ||
| T1 (< 2 cm) | 16 (3·9) | 16 (3·9) | ||
| T2 (2–5 cm) | 110 (27·0) | 110 (27·0) | ||
| T3 (5–10 cm) | 186 (45·7) | 186 (45·7) | ||
| T4 (> 10 cm) | 79 (19·4) | 79 (19·4) | ||
| Tx (unknown) | 13 (3·2) | 13 (3·2) |
Values in parentheses are percentages.
*
Data available only for 407 patients resected in 2010–2012. GIST, gastrointestinal stromal tumour.