Table VI.
Association between serum OPG level and different prognostic variables.
| Variable | OPG, pg/ml; mean ± SD | P-value |
|---|---|---|
| Bilharzial status and grade | <0.0001 | |
| NB-LG | 128.4±25.3 | |
| B-LG | 163.2±17.6 | |
| NB-HG | 244.1±20.9 | |
| B-HG | 310.3±49.9 | |
| Tumor stage | <0.0001 | |
| T2 | 157.1±48.6 | |
| T3 | 231.4±77.1 | |
| T4 | 301.8±50.9 | |
| Histopathological type | 0.37 | |
| Transitional cell carcinoma | 220.1±83.1 | |
| Squamous cell carcinoma | 199.1±71.5 | |
| Age, years | 0.092 | |
| <60 | 196.2±84.8 | |
| ≥60 | 230.0±74.4 | |
| Gender | 0.72 | |
| Female | 206.5±67.7 | |
| Male | 216.5±82.9 | |
| Disease relapse | 0.001 | |
| Relapse | 285.0±60.8 | |
| No relapse | 199.1±76.1 |
OPG, osteoprotegerin; SD, standard deviation; NB-LG, non-bilharzial low-grade; B-LG, bilharzial low-grade; NB-HG, non-bilharzial high-grade; B-HG, bilharzial high-grade.