Table 3. Time until recurrence of the disease estimated by Cox model. -2 log Likelihood = 130,470; Chi Squere =79,722; Df =10; pH0=0,000; P<0,01, Legend: AGES- Age, Grade, Extent, Size, TT- Total thyroidectomy, MRND- Modified radical neck dissection, Lnn – lymph node.
| Factors | Gradtion factors | B | SE | Wald | df | pHo | R | Exp (B) |
|---|---|---|---|---|---|---|---|---|
| Age of patients | < 45 god. | 0,358 | 0,341 | 1,103 | 2 | 0,294 | 0,000 | 1,431 |
| ≥ 45 god. | 0,588 | 0,4370 | 1.547 | 1 | 0,215 | 0,064 | 1,800 | |
| Gender of patients | Male | 0,407 | 0,283 | 2,070 | 1 | 0,150 | 0,021 | 1,502 |
| Female | 0,678 | 0,342 | 1,997 | 1 | 0,345 | 0,019 | 1.789 | |
| AGES p.s. | ≤ 3,99 | 0,456 | 0,431 | 1,786 | 1 | 0,295 | 0,280 | 1,649 |
| > 4 | -1,177 | 0,560 | 4,420 | 1 | 0,035 | -0,122 | 0,308 | |
| Tumor size | ≤ 40 mm | 0,265 | 0,465 | 0,325 | 1 | 0,568 | 0,000 | 1,304 |
| > 40 mm | -1,205 | 0,344 | 5,763 | 1 | 0,069 | -0,201 | 0,300 | |
| Metastases in lnn | No | -0,669 | 1,058 | 0,399 | 1 | 0,528 | 0,000 | 0,512 |
| Yes | -0,371 | 0,468 | 3,429 | 1 | 0,078 | -0,221 | 0,418 | |
| Distant metastases | No | 0,167 | 0,226 | 0,525 | 1 | 0,462 | 0,000 | 1,489 |
| Yes | -1,207 | 0,455 | 7,042 | 1 | 0,008 | -0,176 | 0,299 | |
| Total surgery | TT | / | / | 4,711 | 2 | 0,095 | 0,066 | / |
| TT+MRND | -0,611 | 1,418 | 0,186 | 1 | 0,666 | 0,000 | 0,543 |