ESTUDO TOMOGRÁFICO DAS VÉRTEBRAS C7, T1 E T2 EM CRIANÇAS

GABRIELA ESTEFANÍA DELGADO CABRERA

Universidade de São Paulo, Faculty of Medicine, Hospital das Clínicas, Institute of Orthopedics and Traumatology, HC-FMUSP, São Paulo, SP, Brazil.

MARCELO GIACOMIN DA FONSECA

Universidade de São Paulo, Faculty of Medicine, Hospital das Clínicas, Institute of Orthopedics and Traumatology, HC-FMUSP, São Paulo, SP, Brazil.

MAURO COSTA MORAIS TAVARES JUNIOR

Universidade de São Paulo, Faculty of Medicine, Hospital das Clínicas, Institute of Orthopedics and Traumatology, HC-FMUSP, São Paulo, SP, Brazil.

RAPHAEL MARTUS MARCON

Universidade de São Paulo, Faculty of Medicine, Hospital das Clínicas, Institute of Orthopedics and Traumatology, HC-FMUSP, São Paulo, SP, Brazil.

ALEXANDRE FOGAÇA CRISTANTE

Universidade de São Paulo, Faculty of Medicine, Hospital das Clínicas, Institute of Orthopedics and Traumatology, HC-FMUSP, São Paulo, SP, Brazil.

OLAVO BIRAGHI LETAIF

Universidade de São Paulo, Faculty of Medicine, Hospital das Clínicas, Institute of Orthopedics and Traumatology, HC-FMUSP, São Paulo, SP, Brazil.

Correspondence: Gabriela Estefania Delgado Cabrera. Rua Dr Ovidio Pires de Campos, 171, São Paulo, SP, Brazil, 05403010. gabydcabrera22@gmail.com

AUTHORS’ CONTRIBUTIONS:

Each author contributed individually and significantly to the development of this article. GEDC: literature review and project design, data collection and analysis, manuscript writing; MGF: literature review and project design, data collection and analysis, manuscript writing; MCMTJ: literature review and project design, data collection and analysis, manuscript writing; RMM: final review of the literature and project, data analysis and manuscript review; AFC: final review of the literature and project, data analysis and manuscript review; OBL: study design, data analysis and final review of the manuscript.

Variable	3 to 7 years of age		8 to 12 years of age		p Age group	p Gender	p Interaction
Variable	Female (n = 15)	Male (n = 31)	Female (n = 9)	Male (n = 21)	p Age group	p Gender	p Interaction
Pedicle
Angle of attack					0.188	0.072	0.526
mean ± SD	33.4 ± 5.3	35.2 ± 5.5	34.4 ± 6.1	38.2 ± 7
NR (95%)	(23 - 43.8)	(24.5 - 45.9)	(22.5 - 46.4)	(24.5 - 51.8)
Length					0.432	0.202	0.226
mean ± SD	13.1 ± 1.5	13.1 ± 1.4	12.4 ± 1.1	13.3 ± 1.3
NR (95%)	(10.2 - 15.9)	(10.4 - 15.8)	(10.2 - 14.6)	(10.7 - 15.8)
Thickness					0.222	0.256	0.611
mean ± SD	3.2 ± 0.7	3.4 ± 0.8	3.4 ± 0.5	3.7 ± 1
NR (95%)	(1.9 - 4.6)	(1.7 - 5)	(2.5 - 4.3)	(1.8 - 5.6)
Diameter*					0.883	0.458	0.186
mean ± SD	3.3 ± 0.6	3.2 ± 0.8	3 ± 0.6	3.5 ± 1
NR (95%)	(2.1 - 4.5)	(1.6 - 4.9)	(1.8 - 4.2)	(1.6 - 5.4)
Lamina
Angle of attack					0.658	0.690	0.337
mean ± SD	48.4 ± 3	47.8 ± 3.4	47 ± 3.6	48.4 ± 5.2
NR (95%)	(42.6 - 54.2)	(41.2 - 54.4)	(39.9 - 54.1)	(38.2 - 58.5)
Length					0.010	0.346	0.981
mean ± SD	28.1 ± 2.4	28.8 ± 2.5	30 ± 3.2	30.7 ± 3.2
NR (95%)	(23.4 - 32.8)	(23.8 - 33.7)	(23.8 - 36.2)	(24.3 - 37)
Thickness					0.269	0.910	0.332
mean ± SD	2.2 ± 0.6	2.3 ± 1	2.6 ± 0.6	2.4 ± 0.6
NR (95%)	(1 - 3.3)	(0.5 - 4.2)	(1.4 - 3.8)	(1.2 - 3.6)

Variable	3 to 7 years of age		8 to 12 years of age		p Age group	p Gender	p Interaction
Variable	Female (n = 15)	Male (n = 31)	Female (n = 9)	Male (n = 21)	p Age group	p Gender	p Interaction
Pedicle
Angle of attack					0.006	0.794	0.974
mean ± SD	30.6 ± 5.5	30 ± 7.1	35.8 ± 8.1	35.4 ± 8.6
NR (95%)	(19.8 - 41.3)	(16.2 - 43.9)	(20 - 51.7)	(18.6 - 52.2)
Length					0.008	0.531	0.100
mean ± SD	13.7 ± 1.3	14.2 ± 1.6	15.8 ± 1.6	14.7 ± 2.6
NR (95%)	(11.1 - 16.3)	(11 - 17.4)	(12.6 - 19)	(9.7 - 19.7)
Thickness					0.290	0.617	0.607
mean ± SD	3.4 ± 0.8	3.7 ± 1	3.8 ± 0.9	3.8 ± 0.8
NR (95%)	(1.9 - 5)	(1.6 - 5.7)	(2.1 - 5.5)	(2.2 - 5.4)
Diameter*					0.267	0.448	0.436
mean ± SD	3.7 ± 1	3.7 ± 0.8	4.2 ± 1	3.8 ± 0.9
NR (95%)	(1.8 - 5.6)	(2.1 - 5.4)	(2.1 - 6.2)	(2 - 5.7)
Lamina
Angle of attack					0.909	0.881	0.255
mean ± SD	48 ± 3.3	46.6 ± 4.1	46.9 ± 3.1	47.9 ± 4.9
NR (95%)	(41.5 - 54.5)	(38.5 - 54.7)	(40.9 - 52.9)	(38.4 - 57.5)
Length					<0.001	0.948	0.273
mean ± SD	25.8 ± 2.4	26.7 ± 2.9	29.7 ± 3.4	28.9 ± 3.5
NR (95%)	(21.1 - 30.6)	(21.1 - 32.3)	(23 - 36.3)	(22 - 35.7)
Thickness					0.064	0.539	0.978
mean ± SD	2.8 ± 0.6	2.9 ± 0.8	3.1 ± 0.7	3.3 ± 0.9
NR (95%)	(1.6 - 3.9)	(1.3 - 4.5)	(1.8 - 4.5)	(1.6 - 5)

Variable	3 to 7 years of age		8 to 12 years of age		p Age group	p Gender	p Interaction
Variable	Female (n = 15)	Male (n = 31)	Female (n = 9)	Male (n = 21)	p Age group	p Gender	p Interaction
Pedicle
Angle of attack					0.054	0.842	0.851
mean ± SD	20.9 ± 4.7	20.9 ± 5.6	23.8 ± 3.9	23.3 ± 5.8
NR (95%)	(11.8 - 30.1)	(10 - 31.8)	(16.3 - 31.4)	(11.8 - 34.8)
Length					0.003	0.309	0.028
mean ± SD	13.9 ± 1.6	14.5 ± 1.6	16.3 ± 1.5	14.8 ± 2.1
NR (95%)	(10.7 - 17.2)	(11.4 - 17.6)	(13.3 - 19.3)	(10.8 - 18.9)
Thickness					0.321	0.239	0.679
mean ± SD	3 ± 0.7	3.1 ± 0.9	3.1 ± 0.5	3.4 ± 0.8
NR (95%)	(1.6 - 4.3)	(1.3 - 5)	(2.1 - 4)	(1.8 - 5)
Diameter*					0.113	0.544	0.825
mean ± SD	3.2 ± 0.8	3.4 ± 0.9	3.7 ± 1.3	3.8 ± 1.2
NR (95%)	(1.6 - 4.8)	(1.7 - 5.1)	(1.1 - 6.3)	(1.4 - 6.2)
Lamina
Angle of attack					0.319	0.648	0.972
mean ± SD	50 ± 3.1	49.5 ± 4.5	48.9 ± 4.2	48.5 ± 4.2
NR (95%)	(44 - 56.1)	(40.8 - 58.3)	(40.7 - 57.1)	(40.2 - 56.8)
Length					<0.001	0.571	0.652
mean ± SD	21.9 ± 1.6	22.5 ± 2	24.3 ± 2.2	24.3 ± 2.9
NR (95%)	(18.8 - 25)	(18.6 - 26.4)	(19.9 - 28.6)	(18.6 - 30.1)
Thickness					0.003	0.574	0.468
mean ± SD	2.5 ± 0.6	2.8 ± 0.8	3.2 ± 0.8	3.2 ± 0.7
NR (95%)	(1.3 - 3.7)	(1.2 - 4.4)	(1.7 - 4.8)	(1.7 - 4.7)

Comparison		Mean difference	Standard error	p Inferior	CI (95%)
Comparison		Mean difference	Standard error	p Inferior	Superior
Female from 3 to 7 years	Male from 3 to 7 years	-0.54	0.55	>0.999	-2.02	0.94
Female from 3 to 7 years	Female from 8 to 12 years	-2.34	0.73	0.012	-4.32	-0.35
Female from 3 to 7 years	Male from 8 to 12 years	-0.90	0.59	0.776	-2.49	0.69
Male from 3 to 7 years	Female from 8 to 12 years	-1.80	0.66	0.046	-3.59	-0.02
Male from 3 to 7 years	Male from 8 to 12 years	-0.36	0.49	>0.999	-1.69	0.97
Female from 8 to 12 years	Male from 8 to 12 years	1.44	0.69	0.246	-0.44	3.31

Brasil