| Gender (%) | Female | 12 (80.0) |
| Male | 3 (20.0) | |
| Average age (Yrs.) |
| 64.4 (49 - 80) |
| Primary disease (%) | Cervical cancer | 12 (80) |
| Colorectal cancer | 2 (13.3) | |
| Prostate cancer | 1 (6.7) | |
| Average time from radiation to first hematuria episode (Months.) |
| 112 (1 - 280) |
| Mode of radiotherapy (%) | Radiation only | 4 (26.7) |
| Brachytherapy only | 0 (0) | |
| Radiation and brachytherapy | 11 (73.3) | |
| Average of radiation dose (Sessions) |
| 28.4 (20 - 39) |
| Involved bladder wall, Patients (%) | Anterior | 3 (20.0) |
| Dome | 6 (40.0) | |
| Posterior | 14 (93.3) | |
| Right lateral | 11 (73.3) | |
| Left lateral | 12 (80.0) | |
| Trigone | 8 (53.3) | |
| EORTC/RTOG Classification of hemorrhagic cystitis before HBOT, Patients (%) | 1 | 0 (0) |
| 2 | 4 (26.7) | |
| 3 | 10 (66.7) | |
| 4 | 1 (6.6) |