Table 2.

The number of elements and nodes of the finite element models

Materials		Element	Node
Skeleton	Right innominatum bone	124,538	32,622
	Left innominatum bone	120,849	32,100
	Sacrum	155,023	43,441
Fixation devices	The sacroiliac screw	36,212	9186
	The single plate	39,769	9577
	The single plate with trans-symphyseal cross-screws	46,110	11,316
	The dual plates	71,431	17,486
	The single cannulated screw	25,304	6700
	The dual crossed cannulated screws	59,229	14,999
	The subcutaneous plates	189,779	45,638
	The subcutaneous pedicle screw-rod device	51,405	12,142