Table 2 Comparison of mechanical testing failure load vs. failure load found from FEA, Curve beam and straight beam model.

Sample No.	Intact				Defect
Sample No.	Mech	FEA	Curve	Straight	Mech	FEA	Curve	Straight
1	7852	7416	8533	9318	3002	4149	2856	6163
2	5007	4501	6474	6626	1853	3367	1619	2077
3	5031	5173	5046	10785	2181	2034	2465	7227
4	4728	5197	4192	5587	2806	3541	2201	6462
5	4141	3281	6347	9202	1237	1421	1898	5117
6	4660	4886	4765	8587	3960	4981	5332	10740
7	11034	11477	11047	13861	3980	4976	5419	7134
8	7970	7372	8462	9669	5985	6055	6988	11992
9	6821	7132	7974	13491	6547	7254	6733	11611
10	10470	9029	8852	9827	8815	8787	8594	8899
Failure Load Average (N)	6771 ± 2498	6547 ± 2440	7169 ± 2170	8719 ± 2965	4037 ± 2394	4656 ± 2273	4410 ± 2508	9695 ± 2601
Bland-Altman method, 95% Cl		−1032 to 1482	−2503 to 1707	−7541 to 1693		−1732 to 493	−1776 to 1028	−8052 to 641
Mean ± SD of difference vs. mechanical testing		225 ± 641	−398 ± 1074	−2924 ± 2356		−619 ± 568	−374 ± 715	−3705 ± 2218
P-value (paired t-test)		0.2965	0.2714	0.0035		0.0072	0.1327	0.0005
Kendall Tau ranking coefficients (mechanical testing vs other methods)		0.82	0.73	0.51		0.91	0.87	0.56
	Total
	Mech		FEA		Curve		Straight
Failure Load Average (N)	5404 ± 2764		5601 ± 2491		5790 ± 2685		7742 ± 3111
Bland-Altman method (N), 95% Cl			−1631 to 1236		−2127 to 1355		−7749 to 1120
Mean ± SD of difference vs. mechanical testing			−197 ± 731		−385 ± 888		−3315 ± 2262
P-value (paired t-test)			0.2419		0.067		2.8e-6
Kendall Tau ranking coefficients (mechanical testing vs other methods)			0.83		0.84		0.53

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