Table 6

Multivariate analysis with the Cox regression model

This is explained by the moderate correlation between stage and BP-2, (Spearman rank correlation = 0.6, P = 0.06).

PHRa95.0% CI for HRb
IGFBP-2 level at diagnosis0.9001.0260.7–1.5
Stage0.000111.1023.1–40.1
  • a HR, hazard ratio; CI, confidence interval; IGFBP, insulin-like growth factor binding protein.

  • b Adjusted for age, stage, tumor debulking surgery and histological grade.