a numerical trendP = 0.5095
In the analysis which accounted for all these four prognostic factors, there was a numerical trend in favor of rIX-FP compared to rFIXFc for total ABR (RR 0.75; 95% CI 0.32, 1.75; P = 0.5095) and AjBR (RR 0.82; 95% CI 0.37, 1.82; P = 0.6178), and AsBR (RR 0.42; 95% CI 0.22, 0.82; P = 0.0107) was significantly lower in subjects treated with rIX-FP versus rFIXFc (Table 3 ).