p16Ink4a expressionin PA | Positive | Borderline | Statistic | P value* |
Age, years (mean 44.93) | 45.03 | 44.85 | t (146)=−0.07 | 0.9371a |
Gender | ||||
Men (n=46) | 20 (43.48%) | 26 (56.52%) | χ2 (1)=0.16 | 0.6858b |
Women (n=102) | 48 (47.06%) | 54 (52.94%) | ||
Tumour size, mm (mean 30.05) | 29.65 | 30.40 | t (146)=0.26 | 0.7982a |
Clinical course | ||||
‘Fast’ (n=96) | 36 (37.50%) | 60 (62.50%) | χ2 (1)=7.84 | 0.0051 b |
‘Slow’ (n=52) | 32 (61.54%) | 20 (38.46%) | ||
Duration of symptoms, months (mean 48.62) | 59.24 | 39.60 | t (146)=−2.00 | 0.0478 a |
Recent acceleration | ||||
No (n=114) | 54 (47.37%) | 60 (52.63%) | χ2 (1)=0.40 | 0.5249b |
Yes (n=34) | 14 (41.18%) | 20 (58.82%) |
Values have been bolded to highlight statistical significance.
*(a—Student's t-test, b—χ2 test).
PA, pleomorphic adenoma.