Table 1.

Summary of immunohistochemical staining in each groupof patients

	Case of study n (%)	Ki-67 index	p53 n (%)	K-ras n (%)
Overall Normal Hyperplasia Dysplasia Carcinoma Pancreatic cancer Normal Hyperplasia Dysplasia Carcinoma Chronic pancreatitis Normal Hyperplasia1 Dysplasia	17/23 (74) 7/16 (44) 9/16 (56) 11/23 (48) 7/11 (64) 3/7 (43) 4/7 (57) 11/11 (100) 10/13 (77) 4/9 (44) 5/9 (56)	2.35±2.79 9.07±5.39 10.79±5.51 37.03±10.05 3.73±3.58 6.62±4.39 13.47±4.02 37.03±10.05 2.35±2.79 7.66±5.58 8.64±5.51	0/14 (0) 0/7 (0) 7/9 (78) 10/11 (91) 0/6 (0) 0/3 (0) 4/4 (100) 10/11 (91) 0/8 (0) 0/4 (0) 3/5 (60)	0/8 (0) 1/3 (33) 4/6 (67) 4/5 (80) 0/5 (0) 1/3 (33) 2/3 (67) 4/5 (80) 0/3 (0) 2/3 (67)

¹Fails to stain.