Table 3.
Univariate analysis of 3-year PFS
| N | 3-Year PFS Rate (95%CI) | P value | Hazard ratio | |
|---|---|---|---|---|
|
| ||||
| ALL | 46 | 54% (30–61%) | ||
|
| ||||
| Age at diagnosis | 0.85* | 1.00 (0.96–1.03) | ||
|
| ||||
| Tumor Diameter (cm) | 0.625* | 0.98 (0.95–1.02) | ||
|
| ||||
| Treatment group | ||||
| Surgery | 26 | 52% (28–72%) | 0.977 | Ref. Level |
| Non-Surgery | 20 | 55% (30–74%) | 1.01 (0.4–2.57) | |
|
| ||||
| Histology | ||||
| Squamous | 27 | 41% (21–61%) | 0.479 | Ref. Level |
| Others | 19 | 53% (27–74%) | 0.73 (0.31–1.73) | |
|
| ||||
| Grade | ||||
| G1/G2 | 16 | 56% (26–78%) | 0.264 | Ref. Level |
| G3 | 25 | 35% (16–55%) | 1.68 (0.67–4.2) | |
|
| ||||
| ASA | ||||
| ASA 1 | 21 | 50% (26–69%) | 0.726 | Ref. Level |
| ASA 2/3 | 25 | 42% (19–63%) | 1.16 (0.5–2.69) | |
Note: The P values with * were obtained using score test based on Cox regression model; while the other P values were obtained using the log-rank test.
ASA, American Society of Anesthesiologist