Table 2. Area under the receiver-operator curve for IVFpredict and Templeton models, and female age alone, for predicting live birth from 130,960 IVF cycles.

	AUROC (95% CI)	Difference from row above
IVFpredict, development sample*	0.635 (0.630, 0.637)
IVFpredict	0.628 (0.625, 0.631)	0.006 (p = 0.019)
Templeton model	0.616 (0.613, 0.620)	0.012 (p < 0.001)
Continuous female age**	0.610 (0.606, 0.612)	0.007 (p < 0.001)
Categorical female age***	0.604 (0.601, 0.608)	0.004 (p < 0.001)

* Based on 144,018 cycles occurring in the UK between 2003 and 2007 [12].

** Model predicting decreasing probability of live birth with increasing female age.

*** Model predicting decreasing probability of live birth with increasing female age categories (18–34, 35–37, 38–39, 40–42, 43–44 and 45–50 years).