Table 1.
Baseline characteristics.
| Group 1 (Sham procedure) | Group 2 (3 cm, 6 h/d) | Group 3 (10 cm, 18 h/d) | Group 4 (3 cm, 18 h/d) | p-value | |
|---|---|---|---|---|---|
| Body weight, initial (mean ± SD), gm | 117.4 ± 5.73 | 117.2 ± 3.63 | 118.0 ± 4.64 | 118.4 ± 7.20 | 0.984 |
| Body weight, final (mean ± SD), gm | 270.8 ± 18.67 | 268.2 ± 23.9 | 264.4 ± 9.29 | 256.6 ± 10.43 | 0.573 |
| Weight gain (mean ± SD), gm | 153.4 ± 18.2 | 151.0 ± 22.0 | 146.4 ± 9.6 | 138.2 ± 12.9 | 0.494 |
| Rectal temperature, initial (mean ± SD), °C | 36.8 ± 0.34 | 37.0 ± 0.24 | 36.8 ± 0.35 | 36.7 ± 0.22 | 0.905 |
| Rectal temperature, final (mean ± SD), °C | 36.8 ± 0.29 | 36.9 ± 0.18 | 36.9 ± 0.08 | 36.9 ± 0.13 | 0.970 |
| Food intake (mean), gm | 23.3 | 23.0 | 22.5 | 21.5 | 0.857 |
| Testis weight, gm | 1.85 ± 0.21 | 1.79 ± 0.34 | 1.84 ± 0.84 | 1.91 ± 0.11 | 0.871 |
Group 1—Sham procedure group; Group 2—3 cm distance + 6 h exposure daily; Group 3—10 cm distance + 18 h exposure daily; and Group 4—3 cm distance + 18 h exposure daily.