The mean time until non-progression was 2.11 (95% confidence interval [CI] 1.98–2.23)
days versus 2.13 (95% CI 1.81–2.45) days for the once-daily (n = 213) and twice-daily (n =
88) regimens, respectively (P = 0.92, difference in means 0.02 [95% CI -0.36–0.33]).