Table 5.
Association between prostate tissue Trx 1 and erythrocyte glutathione S-transferase activity.
| Erythrocyte glutathione S-transferase (GST) | |||||||
|---|---|---|---|---|---|---|---|
| T1 | T2 | T3 | Total | ||||
| n | % | n | % | n | % | ||
| Malignant Trx 1 | |||||||
| 0 | 2 | (50) | 1 | (25) | 1 | (25) | 4 |
| 1 | 4 | (57) | 0 | (0) | 3 | (42) | 7 |
| 2 | 4 | (20) | 10 | (50) | 6 | (30) | 20 |
| 3 | 6 | (42) | 5 | (35) | 3 | (21) | 14 |
| Fisher's exact test, P = 0.21 | |||||||
|
| |||||||
| Benign Trx 1 | |||||||
| 0 | 0 | (0) | 1 | (100) | 0 | (0) | 1 |
| 1 | 8 | (28) | 11 | (39) | 9 | (32) | 28 |
| 2 | 7 | (53) | 3 | (23) | 3 | (23) | 13 |
| 3 | 1 | (33) | 1 | (33) | 1 | (33) | 3 |
| Fisher's exact test, P = 0.65 | |||||||
|
| |||||||
| ΔTrx 1 | |||||||
| −2 | 1 | (50) | 1 | (50) | 0 | (0) | 2 |
| −1 | 2 | (50) | 1 | (25) | 1 | (25) | 4 |
| 0 | 6 | (42) | 2 | (14) | 6 | (42) | 14 |
| 1 | 5 | (29) | 7 | (41) | 5 | (29) | 17 |
| 2 | 2 | (28) | 4 | (57) | 1 | (14) | 7 |
| 3 | 0 | (0) | 1 | (100) | 0 | (0) | 1 |
| Total | 16 | 16 | 13 | 45 | |||
| Fisher's exact test, P = 0.65 | |||||||
ΔTrx 1: difference in Trx 1 level between malignant and benign prostate cells.
Median values of tertiles of GST activity are as follows: T1: 19.9 nmol/min/mL; T2: 49.7 nmol/min/mL; T3: 84.4 nmol/min/mL.