Table 5.

Bivariate association between bone fractures with injury mechanism.

	Falls from height	Gunshot	Industrial	RTA	Simple falls	Test statistic	p-value
Upper limb	133 (26.2)	11 (36.7)	29 (76.3)	83 (21.3)	768 (36.5)	χ 2(12) = 311.23	<0.001
Scapula	6 (1.2)	0	0	10 (2.6)	1 (0.01)	χ2(4) = 35.10	<0.001
Clavicle	11 (2.2)	0	0	14 (3.6)	9 (0.4)	χ 2(4) = 31.01	<0.001
Humerus
Proximal	9 (1.8)	1 (3.3)	0	8 (2.1)	68 (3.2)	χ 2(4) = 6.70	0.153
Shaft	5 (1)	0	0	13 (3.3)	23 (1.1)	χ 2(4) = 11.7	0.019
Distal	41 (8.1)	0	0	6 (1.5)	341 (16.2)	χ 2(4) = 118.17	<0.001
Forearm
Proximal	8 (1.6)	0	0	5 (1.3)	34 (1.6)	χ 2(4) = 2.37	0.668
Shaft	17 (3.4)	3 (10)	1 (2.6)	10 (2.6)	92 (4.4)	χ 2(4) = 5.90	0.205
Distal	31 (6.1)	0	0	8 (2.1)	133 (6.3)	χ 2(4) = 22.16	<0.001
Hand
Carpal	2 (0.4)	0	4 (10.5)	2 (0.5)	8 (0.4)	χ 2(4) = 18.21	0.001
Metacarpal	2 (0.4)	4 (13.3)	4 (10.5)	3 (0.8)	15 (0.7)	χ 2(4) = 30.11	<0.001
Phalangeal	1 (0.2)	3 (10)	20 (52.6)	4 (1)	44 (2.1)	χ 2(4) = 124.1	<0.001
Lower limb	185 (36.5)	19 (63.3)	9 (23.7)	137 (35.2)	1041 (49.5)	χ 2(12) = 311.23	<0.001
Femur
Proximal	15 (3)	0	0	7 (1.8)	535 (15.4)	χ 2(4) = 239.11	<0.001
Shaft	16 (3.2)	2 (6.7)	0	28 (7.2)	72 (3.4)	χ 2(4) = 14.73	<0.001
Distal	4 (0.8)	2 (6.7)	0	7 (1.8)	52 (2.5)	χ 2(4) = 10.64	0.031
Patellar	3 (0.6)	0	0	4 (1)	18 (0.9)	χ 2(4) = 1.70	0.79
Leg
Proximal	23 (4.5)	4 (13.3)	1 (2.6)	13 (3.3)	35 (1.7)	χ2(4) = 22.16	<0.001
Shaft	19 (3.7)	3 (10)	5 (13.2)	24 (6.2)	51 (2.4)	χ2(4) = 23.40	<0.001
Distal	41 (8.1)	4 (13.3)	0	38 (9.8)	221 (10.5)	χ 2(4) = 11.14	0.025
Foot
Tarsal	53 (10.5)	1 (3.3)	1 (2.6)	14 (3.6)	25 (1.2)	χ 2(4) = 90.73	<0.001
Metatarsal	11 (2.2)	0	1 (2.6)	1 (0.3)	20 (1)	χ 2(4) = 9.51	0.049
Phalangeal	0	3 (10)	1 (2.6)	1 (0.3)	12 (0.6)	χ 2(4) = 19.95	0.001
Spine	141 (27.8)	0	0	111 (28.5)	246 (11.7)	χ 2(12) = 311.23	<0.001
Cervical	1 (0.2)	0	0	8 (2.1)	0	χ 2(4) = 30.50	<0.001
Thoracic	51 (10.1)	0	0	38 (9.8)	85 (4)	χ 2(4) = 44.61	<0.001
Lumbar	89 (17.6)	0	0	65 (16.7)	161 (7.7)	χ 2(4) = 71.30	<0.001
Pelvis	48 (9.5)	0	0	58 (14.9)	58 (14.9)	χ 2(4) = 120.1	<0.001