Table 4.
Meta-analysis of odds ratio (OR) for overall survival (OS)
| OS | Factors | Study size | OR (95%CI, P value) | I2 (%) | |
|---|---|---|---|---|---|
| 2-yr | All included studies | 2 | 0.25(0.08–0.74,0.01) | 0 | |
| Age | < 65 years old | 1 | 0.48(0.03–8.28,0.62) | not available | |
| > 65 years old | 1 | 0.22(0.07–0.72,0.01) | not available | ||
| 5-yr | All included studies | 5 | 0.63(0.43–0.92,0.02) | 0 | |
| Original tumor state | HG | 1 | 0.95(0.35–2.60,0.93) | not available | |
| G3 | 4 | 0.58(0.39–0.88,0.01) | 0 | ||
| Bladder preservation modality | BCG | 4 | 0.71(0.46–1.10,0.13) | 0 | |
| Mix | 1 | 0.38(0.16–0.88,0.02) | not available | ||
| Age | < 65 years old | 1 | 1.36(0.35–5.29,0.65) | not available | |
| > 65 years old | 4 | 0.58(0.39–0.87,0.009) | 0 | ||
| 10-yr | All included studies | 4 | 0.62(0.43–0.88,0.007) | 0 | |
| Age | < 65 years old | 1 | 1.13(0.34–3.79,0.84) | not available | |
| > 65 years old | 3 | 0.58(0.40–0.84,0.004) | 0 | ||
| 15-yr | All included studies | 1 | 0.35 (0.13–0.95,0.04) | not available | |