Table III.
Evaluation of tumor size and multiplicity (mean ± SD)
| Diagnosis | DMBA plus magnetic field exposure group | |||
|---|---|---|---|---|
| Control | 1 G, 50 Hz | 5 G, 50 Hz | 1 G, 60 Hz | |
| a P < 0.05 compared with controls (Dunnett's test). | ||||
| bND, not done. | ||||
| Palpation data | ||||
| Study 1 | ||||
| Tumors/tumor-bearing rat | 6.6 ± 3.7 | 5.0a ± 3.3 | 5.2a ± 3.6 | 5.6 ± 3.3 |
| Mean tumor size (cm2) | 1.5 ± 0.8 | 1.5 ± 1.0 | 1.4 ± 0.9 | 1.5 ± 0.9 |
| Study 2 | ||||
| Tumors/tumor-bearing rat | 2.0 ± 1.4 | 1.7 ± 1.0 | 1.8 ± 1.0 | NDb |
| Mean tumor size (cm2) | 1.2 ± 0.9 | 1.4 ± 0.8 | 1.4 ± 1.1 | ND |
| Histology data | ||||
| Study 1 | ||||
| Carcinoma/rat | 6.9 ± 4.8 | 5.3a ± 4.4 | 6.5 ± 4.9 | 6.9 ± 4.8 |
| Carcinoma area/rat (cm2) | 15.0 ± 13.9 | 12.9 ± 12.5 | 12.9 ± 12.5 | 14.4 ± 10.7 |
| Ratio of area per carcinoma (cm2) | 2.2 | 2.4 | 2.0 | 2.1 |
| Study 2 | ||||
| Carcinoma/rat | 1.0 ± 1.9 | 0.9 ± 1.3 | 0.8 ± 1.3 | ND |
| Carcinoma area/rat (cm2) | 1.9 ± 4.7 | 1.8 ± 4.6 | 1.7 ± 4.8 | ND |
| Ratio of area per carcinoma (cm2) | 1.9 | 2.0 | 2.2 | ND |