Research Article

Prognostic Value of Invasion, Markers of Proliferation, and Classification of Giant Pituitary Tumors, in a Georeferred Cohort in Brazil of 50 Patients, with a Long-Term Postoperative Follow-Up

Table 3

Evaluation of p53, Ki-67, and c-erbB2 tumor proliferation markers based on clinical and radiological parameters.

p53Ki-67c-erbB2
<3+≥3+<2+≥2+<2+≥2+

Age (years)0.021<0.0010.955
Diameter (mm)0.0620.0090.937
Invasion
 Parasellar0.2350.7010.703
  No5 (26)3 (10)6 (19)2 (13)2 (13)6 (19)
  Yes14 (74)26 (90)26 (81)14 (87)13 (87)25 (81)
 Infrasellar0.4510.2380.242
  No5 (26)4 (14)8 (25)1 (6)1 (7)7 (23)
  Yes14 (74)25 (86)24 (75)15 (94)14 (93)24 (77)
Extension
 Suprasellar0.3951.0001.000
  No1 (5)0 (0)1 (3)0 (0)0 (0)1 (3)
  Yes18 (95)29 (100)31 (97)16 (100)15 (100)30 (97)
 3rd ventricle0.0130.0870.421
  No11 (58)6 (21)14 (44)3 (19)4 (36)12 (39)
  Yes8 (42)23 (79)18 (56)13 (81)11 (64)19 (61)

value computed using Student’s -, Pearson’s chi-square, or Fisher’s exact test.
Mean ± standard deviation or frequency (%).