Table 3 GGT and subsequent cancer (Cox regression adjusted by age and weight at entry)

From: γ-Glutamyl transferase and breast cancer risk

 

All incident cancers

All cancers, except breast

 

All

Pre

Post

All

Pre

Post

(N/cases)

(1803/251)

(828/88)

(944/160)

(1803/155)

(828/48)

(944/105)

GGT in quartiles

P=0.28

P=0.21

P=0.59

P=0.24

P=0.82

P=0.29

 Q1 (lowest)

1.00

1.00

1.00

1.00

1.00

1.00

 Q2

1.26 (0.88, 1.81)

1.59 (0.91, 2.79)

0.99 (0.62, 1.60)

1.15 (0.75, 1.78)

1.32 (0.66, 2.64)

0.96 (0.54, 1.69)

 Q3

1.12 (0.78, 1.61)

1.72 (0.95, 3.12)

0.84 (0.53, 1.32)

0.68 (0.42, 1.11)

0.91 (0.38, 2.17)

0.61 (0.35, 1.09)

 Q4

1.34 (0.96, 1.89)

1.67 (0.92, 3.01)

1.11 (0.73, 1.69)

1.05 (0.69, 1.60)

0.92 (0.40, 2.11)

0.99 (0.60, 1.63)

GGT by median values

P=0.40

P=0.13

P=0.99

P=0.24

P=0.52

P=0.34

 Below median

1.00

1.00

1.00

1.00

1.00

1.00

 Above median

1.11 (0.86, 1.44)

1.39 (0.91, 2.14)

0.98 (0.72, 1.35)

0.82 (0.59, 1.14)

0.82 (0.44, 1.51)

0.83 (0.56, 1.22)

GGT by normal range

P =0.053

P =0.023

P=0.28

P=0.99

P=0.82

P=0.93

 In normal range

1.00

1.00

1.00

1.00

1.00

1.00

 Above normal range

1.57 (0.99, 2.49)

2.63 (1.14, 6.05)

1.35 (0.78, 2.35)

1.00 (0.49, 2.05)

0.80 (0.11, 5.78)

1.04 (0.48, 2.24)

  1. Abbreviation: GGT=γ-glutamyl transferase; Q1, first quartile; Q2, second quartile; Q3, third quartile; Q4, fourth quartile. Values in bold type represent significant P-values (P<0.05).