Table II.
Stage | Non-smokers | Smokers | Difference |
---|---|---|---|
Stage I, n | 13 | 21 | |
Survivin nuclear labeling index, % | 2.9±1.0 | 9.7±2.4 | P<0.05 |
Survivin cytoplasm expression >10%, n (%) | 12 (92.3) | 16 (76.2) | NS |
Ki-67 labeling index, % | 12.0±1.6 | 20.5±2.8 | P<0.05 |
Stage II, n | 4 | 18 | |
Survivin nuclear labeling index, % | 9.0±2.7 | 12.3±2.1 | NS |
Survivin cytoplasm expression >10%, n (%) | 3 (75.0) | 9 (50.0) | NS |
Ki-67 labeling index, % | 17.8±4.5 | 28.1±3.3 | NS |
Stage III, n | 8 | 23 | |
Survivin nuclear labeling index, % | 7.1±1.8 | 13.2±2.8 | NS |
Survivin cytoplasm expression >10%, n (%) | 7 (87.5) | 12 (52.2) | NS |
Ki-67 labeling index, % | 15.1±2.6 | 21.9±2.1 | NS |
Nuclear survivin and Ki-67 labeling indices are presented as the mean ± standard error of the mean. NS, not significant.