Cytoplasmic expression of p27kip1 is associated with a favourable prognosis in colorectal cancer patients

Table 1 Patient and tumor characteristics (n = 462)

Variable	Category	n (%)
Age (yr)	Median Range	72 57-89
Gender	Male Female	266 (58) 196 (42)
Status	Alive Dead (cancer related) Dead (unrelated causes) Unknown	169 (37) 228 (49) 64 (14) 1
Histological type	Adenocarcinoma Adenocarcinoma with Mucinous differentiation Adenocarcinoma with Signet ring differentiation Other Unknown	392 (85) 51 (11) 7 (1) 4 (1) 8 (2)
Histological grade	Well differentiated Moderately differentiated Poorly differentiated Unknown	29 (6) 353 (77) 71 (15) 9 (2)
Tumor site	Colon Rectal Unknown	238 (52) 181 (39) 43 (9)
TNM stage	0 (Tis) 1 2 3 4 Unknown	3 (1) 69 (15) 174 (38) 155 (33) 54 (12) 7 (2)
Extramural vascular invasion	Negative Positive Unknown	224 (48) 128 (28) 110 (24)