Table 3. Inter- and intra-observer agreement, for 110 embryos from 20 patients of all types of quality. Data expressed as ICC, 95% confidence interval (CI) and number of observations in brackets
	Inter-observer			Embryologist 1			Embryologist 2
Parameter	ICC	n	95 % CI	ICC	n	95 % CI	ICC	n	95 % CI
tPB2	0.868	26	0.318-0.959	0.944	37	0.954-0.988	0.922	23	0.809-0.967
tPNa	0.701	60	0.431-0.836	0.753	61	0.793-0.921	0.772	63	0.635-0.860
tPNf	0.967	104	0.951-0.977	0.994	109	0.957-0.980	0.997	104	0.995-0.998
t2	0.918	109	0.882-0.943	0.998	109	0.953-0.978	0.975	110	0.963-0.983
t3	0.927	108	0.895-0.949	0.964	107	0.929-0.966	0.963	108	0.946-0.975
t4	0.925	106	0.891-0.948	0.997	106	0.803-0.904	0.960	107	0.942-0.973
t5	0.905	86	0.857-0.937	0.946	88	0.850-0.933	0.942	87	0.912-0.962
t6	0.880	80	0.819-0.921	0.901	81	0.803-0.917	0.865	87	0.801-0.910
t7	0.757	80	0.646-0.837	0.935	78	0.657-0.844	0.887	85	0.831-0.925
t8	0.770	72	0.655-0.849	0.808	74	0.689-0.864	0.855	76	0.779-0.906
t9 +	0.850	68	0.766-0.905	0.776	63	0.900-0.962	0.775	72	0.664-0.833
tM	0.937	59	0.893-0.849	0.866	60	0.896-0.961	0.942	66	0.906-0.964
tSB	0.907	48	0.715-0.960	0.961	49	0.969-0.990	0.933	54	0.883-0.961
tB	0.972	40	0.948-0.985	0.961	40	0.987-0.996	0.960	45	0.929-0.978
tEB	0.978	24	0.946-0.991	0.865	26	0.959-0.991	0.981	28	0.959-0.991
Median ICC	0.884	26		0.911			0.915
Mean ICC	0.907	60		0.944			0.942