Univariate analysis of clinicopathological features
| Parameters | Recurrence group (%) | Non-recurrence group (%) | Univariate analysis | ||
|---|---|---|---|---|---|
| OR | 95% CI | p Value | |||
| *In Fisher’s exact test, the rate of larger tumour size in the primary lesions of the recurrence group was significantly higher than that of the non-recurrence group (p = 0.048); †the referent group was all other sites; ‡the referent group was all other variants. | |||||
| OR, odds ratio; CI, confidence interval. | |||||
| Age (years) | |||||
| <35 | 4 (44) | 9 (23) | 1 | ||
| >35 | 5 (56) | 31 (77) | 2.76 | 0.61 to 12.47 | 0.19 |
| Size (cm) | |||||
| <3.0 | 3 (33) | 29 (73) | 1 | ||
| >3.0 | 6 (67)* | 11 (27) | 5.27 | 1.12 to 24.85 | 0.035 |
| Sex | |||||
| Male | 4 (44) | 6 (15) | 1 | ||
| Female | 5 (56) | 34 (85) | 4.53 | 0.94 to 21.91 | 0.060 |
| Site | |||||
| Parotid | 7 (78) | 17 (42) | 4.74† | 0.87 to 25.72 | 0.072 |
| Submandibular | 1 (11) | 7 (17) | – | ||
| Palate | 1 (11) | 13 (33) | – | ||
| Other oral mucosa | 0 (0) | 3 (7) | – | ||
| Capsular invasion | |||||
| Negative | 4 (44) | 16 (40) | 1 | ||
| Positive | 5 (56) | 24 (60) | 1.20 | 0.28 to 5.16 | 0.80 |
| Tumour variant | |||||
| Stroma rich | 6 (67) | 14 (35) | 3.71‡ | 0.80 to 17.17 | 0.096 |
| Intermediate | 2 (22) | 17 (42) | – | ||
| Stroma poor | 1 (11) | 9 (23) | – | ||
| Margin | |||||
| Negative | 4 (44) | 26 (65) | 1 | ||
| Positive | 5 (56) | 14 (35) | 1.49 | 0.34 to 6.44 | 0.60 |