Table II.
Changes in pulmonary index of mice following carbon ion beam irradiation.
| Pulmonary index
|
||||||
|---|---|---|---|---|---|---|
| Group | 1 month | 2 months | 3 months | 4 months | 5 months | 6 months |
| CK | 7.31±1.9 | 7.29±3.1 | 7.28±0.5 | 7.34±2.4 | 7.40±0.9 | 7.37±0.8 |
| 2 Gy | 8.23±0.4 | 8.60±1.4 | 9.12±2.4a | 9.69±1.2a | 8.24±3.1 | 8.05±2.0 |
| 4 Gy | 8.93±2.3a | 9.16±2.8a | 9.97±0.6a | 10.34±4.1b | 10.06±2.2a | 10.0±0.7a |
| 6 Gy | 9.08±0.5a | 9.37±1.7a | 10.06±2.3a | 11.44±0.4b | 11.13±0.9b | 10.7±2.2b |
Values are expressed as the mean ± SD, n=6.
a
P<0.05,
b
P<0.01, significant increase compared with the CK group at the same time point. CK, normal control.