Table 2.

Performance of the prediction models in the Dutch development data and the Swiss and Irish validation data

Model	Predicted Hb deferral, %	Observed Hb deferral, %	Calibration-in-the-large (95% CI)	Calibration slope (95% CI)	AUC (95% CI)
Men
Dutch development data	4.1	4.1	0.00 (–0.06 to 0.06)	1.00 (0.97–1.03)	0.89 (0.88–0.89)
Swiss validation data	1.9	3.3	0.61 (0.55–0.68)	0.74 (0.70–0.78)	0.84 (0.83–0.85)
Irish validation data	1.6	2.4	0.47 (0.38–0.55)	0.65 (0.60–0.70)	0.82 (0.80–0.83)
Women
Dutch development data	7.7	7.7	0.00 (–0.02–0.02)	1.00 (0.98–1.02)	0.84 (0.83–0.84)
Swiss validation data	5.9	9.7	0.65 (0.60–0.70)	0.76 (0.72–0.80)	0.79 (0.78–0.80)
Irish validation data	5.5	8.4	0.54 (0.48–0.60)	0.63 (0.59–0.67)	0.75 (0.74–0.76)