Three-dimensional finite element analysis with different internal fixation methods through the anterior approach

Table 2 The stress of each point on the fracture line, in MPa

Node	Combined steel plate		Internal iliac plate		Row nail blocking		Triangular steel plate		Spring steel plate
	Sitting	Standing	Sitting	Standing	Sitting	Standing	Sitting	Standing	Sitting	Standing
1	0.470	0.891	0.549	0.703	0.606	0.827	0.485	0.568	0.538	0.650
2	0.812	0.299	0.991	0.376	1.200	0.239	1.227	0.412	1.142	0.483
3	1.285	0.653	1.213	0.792	1.197	1.105	1.298	0.923	1.186	0.792
4	2.296	0.603	1.929	0.624	2.314	0.612	2.305	0.706	2.401	0.654
5	2.017	1.880	2.117	1.597	2.153	2.683	2.129	2.507	2.113	2.019
6	2.664	1.751	2.653	1.815	2.726	1.920	2.803	1.192	2.735	1.803
7	0.535	0.154	0.509	0.173	0.541	0.187	0.551	0.180	0.547	0.161
8	0.592	1.153	0.603	1.128	0.614	1.164	0.597	1.226	0.602	1.092
9	0.783	1.228	0.790	1.316	0.793	1.357	0.785	1.366	0.798	1.124
10	0.947	0.776	0.938	0.839	0.951	0.914	0.963	0.814	0.971	0.785
Mean	1.240	0.939	1.229	0.936	1.310	1.101	1.314	0.989	1.303	0.956
SD	0.757	0.541	0.708	0.497	0.756	0.719	0.778	0.618	0.772	0.547
Minimum value	0.470	0.154	0.509	0.173	0.541	0.187	0.485	0.180	0.538	0.161
Maximum value	2.296	1.880	2.653	1.815	2.726	2.683	2.803	2.507	2.735	2.019

In the sitting position, there were no statistical differences among groups (P = 0.979). In the standing position, there were no statistical differences among groups (P = 0.974). SD: Standard deviation.