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Table 7 Effects of CYP1A1 polymorphisms on disease prognosis of available follow up cases

From: Genetic polymorphisms of human cytochrome P450 CYP1A1 in an Egyptian population and tobacco-induced lung cancer

CYP1A1 variant

Response (n = 22)

Chi

P

Complete response

Partial response

Progression

Refractory disease

Regression

Stable disease

N (%)

N (%)

N (%)

N (%)

N (%)

N (%)

CYP1A1*2C

0 (0)

0 (0)

0 (0)

0 (0)

0 (0)

0 (0)

–

–

CYP1A1*4

0 (0)

0 (0)

2 (22.2)

0 (0)

1 (25.0)

1 (25.0)

6.8

0.33

CYP1A1*2C/*4

0 (0)

0 (0)

1 (11.1)

0 (0)

0 (0)

0 (0)

3.08

0.79

wild type

2 (100)

2 (100)

6 (66.7)

1 9(100)

3 (75.0)

3 (75.0)

12.2

0.052