Cell proliferation, apoptosis and the related regulators p27, p53 expression in hepatocellular carcinoma

Table 2 Relationship between PI, AI and clinicopathological features.

Parameters	AI (%)	P	PI (%)	P
Gross type
Massive	8.29±2.26	0.376	30.10±3.81	0.739
Nodular	8.88±2.30		30.54±4.99
Tumor size
≤5 cm	8.11±2.03	0.208	29.79±4.85	0.492
>5 cm	8.96±2.41		30.71±4.23
Cellular differentiation
Well or moderate	8.87±2.38	0.091	30.46±4.46	0.686
Poor	7.38±1.19		29.75±4.74
Stage
I + II	7.46±2.30	0.030a	28.85±3.85	0.306
III+IV	9.06±2.15		30.91±4.60
Capsular infiltration
Present	8.79±2.68	0.674	31.79±4.10	0.066
Absent	8.50±2.01		29.36±4.50
Extrahepatic metastasis
Present	9.00±1.89	0.436	32.53±3.93	0.019a
Absent	8.44±2.45		29.31±4.38

^aP<0.05 vs Stage III+IV.