Accuracy of p53 and ki-67 in the graduation of phyllodes tumor, a model for practical application

Table 2 Anatomopathological results

Variables	Benign (n = 110)	Borderline (n = 16)	Malignant (n = 20)	p
Age (years) – mean ± SD	41.2 ± 12.6^a	52.4 ± 10.9^b	63.3 ± 9.2^c	< 0.001
Size of tumor – md (P25–P75)	3.4 (2.0–5.9)^a	6 (3–13)^ab	7.4 (3–17)^b	0.005
Laterality – n (%)				0.133
Right	51 (49.0)	8 (50.0)	5 (25.0)
Left	53 (51.0)	8 (50.0)	15 (75.0)
Ki-67 – md (P25–P75)	5 (5–10)^a	20 (11–29)^b	30 (22.5–40)^b	< 0.001
P53 – n (%)				< 0.001
Negative	105 (95.5)^*	8 (50.0)	5 (25.0)
Positive	5 (4.5)	8 (50.0)^*	15 (75.0)^*

^* Statistically significant association with the adjusted residuals with 5% of significance
^a,b,c Equal letters do not differ by the Tukey or Dunn tests with 5% significance

ISSN: 2520-8454