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African Journal of Urology

Table 2 Predictors of recurrence and time to recurrence in patients with non-invasive muscle bladder cancer

From: Post-Bacille Calmette–Guerin surveillance for non-muscle invasive bladder cancer: do random biopsies offer an advantage?

Variable

Recurrencea

Time to recurrenceb

Odds ratio (95% CI)

Hazard ratio (95% CI)

Age

0.99 (0.94–1.04)

1.00 (0.96–1.04)

Body mass index (kg/m2)

1.23 (1.06–1.43)

1.13 (1.03–1.23)

Hypertension

1.04 (0.30–3.56)

1.29 (0.53–3.12)

Diabetes

0.96 (0.29–3.23)

0.83 (0.32–2.16)

Smoking

1.15 (0.40–3.37)

0.94 (0.44–2.02)

Surveillance methodc

0.63 (0.22–1.80)

0.97 (0.48–2.00)

Size (cm)

2.23 (1.23–4.0)

1.52 (1.08–2.14)

Concurrent CIS

4.35 (1.29–14.68)

2.46 (1.08–5.58)

Multifocality

3.61 (1.17–11.15)

1.93 (0.83–4.47)

High grade tumord

2.17 (0.39–12.20)

1.06 (0.34–3.36)

Stage T1e

0.40 (0.08–1.96)

0.57 (0.20–1.59)

  1. aBinary logistic regression (Enter Method)
  2. bEstimated coefficients in the Cox proportional hazards regression model (Enter Method)
  3. cFlexible cystoscopy as reference to cystoscopy with repeat biopsy
  4. dLow grade tumor as a reference to high grade tumor
  5. eTa as a reference to T1 s
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