Table 3.

Specific ∆EN point values for the 12 different drill pathways

Screw position	Drill Pathway#	mean ∆EN	STD	95% CI
Iliac crest anterior screw	1	4.19	1.76	2.71–5.66
Iliac crest posterior screw	2	5.82	2.59	3.66–7.98
Pubic medial screw	3	3.09	1.33	1.98–4.20
Pubic lateral screw	4	2.9	1.09	1.99–3.80
Iliosacral screw S1	5	3.86	1.93	2.24–5.47
Iliosacral screw S2	6	5.02	2.47	2.95–7.08
Transverse supraacetabular screw	7	5.45	1.95	3.82–7.09
Supraacetabular screw	8	4	1.68	2.60–5.41
Anterior column screw	9	3.68	1.62	2.32–5.03
Posterior column screw	10	2.3	1.16	1.32–3.27
Quadrilateral plate („magic“) screw	11	4.1	2.08	2.37–5.84
S2-alar-iliac screw	12	3.45	1.53	2.18–4.73