Role of post-operative X-rays in distal-radius fractures among pediatric patients

Table 4 Bivariate analysis to assess the influence of the number of X-rays on the study variables

Variable	Frequency (%)	Total X-rays (median) (IQR)	Test (P value)
Gender	-	-	Mann-Whitney U = 348.500 (0.328)
Male	77 (87.5)	2.00 (1)
Female	11 (12.5)	1.00 (3)
Age			Kruskal-Wallis H = 0.378 (0.223)
3-5 years old	17 (19.3)	2.00 (2)
6-8 years old	16 (18.2)	2.00 (1)
9-11 years old	18 (20.5)	2.00 (2)
12-14 years old	36 (40.9)	2.00 (2)
Site of fracture			Kruskal-Wallis H = 0.201 (0.905)
Epiphyseal	15 (17.0)	2.00 (1)
Metaphyseal	27 (30.7)	2.00 (1)
Diaphyseal	46 (52.3)	2.00 (2)
Complications			Mann-Whitney U = 75.00 (0.774)
Yes	2 (2.3)	1.50 (0)
No	86 (97.7)	2.00 (1)
Change in management plan			Mann-Whitney U = 307.00 (0.845)
Yes	8 (9.1)	2.00 (3)
No	80 (90.9)	2.00 (1)
Second operation			Mann-Whitney U = 148.500 (0.706)
Yes	4 (4.5)	1.50 (3)
No	84 (95.5)	2.00 (1)

IQR: Interquartile range.