A two-stage retrospective analysis to determine the effect of entry point on higher exit of proximal pins in lateral pinning of supracondylar humerus fracture in children

Table 2 General information of the random and intended groups in the second stage of the retrospective study

	Random	Intended	Total	p value
Age (years)	5.1 ± 3.01	4.8 ± 2.82	5.0 ± 2.92	0.532
Gender
M	55	34	89	0.064
F	34	38	72	0.064
Side
Right	39	27	66	0.418
Left	50	45	95	0.418
Gartland type
II	20	22	42	0.245
III	69	50	119	0.245
Fracture line location
Transolecranon	82	66	148	0.569
Supraolecranon	7	6	13	0.569
Fracture line pattern
Transverse	86	70	156
Medial oblique	1	1	2	0.913
Lateral oblique	2	1	3	0.913
Pin size
1.6 mm	49	64	113	< 0.001
2.0 mm	40	8	48	< 0.001
Coronal pin angle α (°)	57.9 ± 6.70	59.7 ± 6.29	58.7 ± 6.57	0.073
Sagittal pin angle β (°)	90.4 ± 5.88	88.5 ± 5.59	89.5 ± 5.82	0.031

p value refers to the comparison between the random and intended groups (χ² test or independent-sample t test)

ISSN: 1749-799X