Skip to main content
. 2002 Dec 15;8(6):971–975. doi: 10.3748/wjg.v8.i6.971

Table 1.

Changes of cell apoptosis in esophageal precancerous lesions and cancer tissues

Groups n Apoptosis cases (%) AI (cells/mm2)
Normal epithelia 39 8 (20.5) 8.2 ± 3.1
Simple hyperplasia 52 17 (32.7) 13.4 ± 4.3
Dysplasia 41 31 (75.6)a 17.8 ± 8.3b
Carcinoma in situ 2 2 (100) 20.3 ± 5.1
Invasive carcinoma 64 64 (100) 25.2 ± 9.8
a

P < 0.01, χ2 = 24.29 vs normal epithelia, χ2 test;

b

P < 0.01, t = 5.19 vs normal epithelia, Student’s t test.