Table 4 Comparison of dosimetric variables and treatment-related toxicities between patients with and without LS
P | Test | ||||
|---|---|---|---|---|---|
All Patients | No | LS | Value | ||
Characteristic | (n = 106) | LS (n = 75) | (n = 31) | ||
Volume receiving 5 Gy, cm3 | |||||
Median | 29.9 | 29 | 31 | 0.25 | Median |
Mean | 32.8 | 33.2 | 31.7 | ||
Range | 9.7–233 | 9.7–233 | 15.3–56.5 | ||
Volume receiving 15 Gy, cm3 | |||||
Median | 23 | 22.6 | 25.9 | 0.25 | Median |
Mean | 24.8 | 24.5 | 25.4 | ||
Range | 8.8–51.7 | 8.8–51.7 | 13.2–43 | ||
Spinal cord maximum dose, Gy | |||||
Median | 32.2 | 32.2 | 33 | 0.97 | Median |
Mean | 32.7 | 32.4 | 33.5 | ||
Range | 18.2–47.2 | 18.2–47.2 | 28–43.5 | ||
Spinal cord maximum dose, % | |||||
Median | 100 | 100 | 100 | 0.33 | Median |
Mean | 99 | 98 | 100 | ||
Range | 64–118 | 64–118 | 74–117 | ||
Bleomycin toxicity | |||||
No | 62 | 45 | 17 | 0.40 | Fisher’s exact |
Yes | 17 | 10 | 7 | 0.37 | |
No bleomycin | 27 | 20 | 7 | ||
Peripheral neuropathy | |||||
No | 53 | 39 | 14 | 0.43 | Fisher’s exact |
Yes | 53 | 36 | 17 | 0.51 | |