Tabla 1 Resultado de estudio clínico sobre casos de fracturas no consolidadas
revisados por la FDA. Estratificación por variables de categorías
Variable categórica antes del inicio del
Probabilidad exacta de Fisher de casos
tratamiento SAFHS
completados†
Total
Consoli-
Falli-
%Conso-
dados
dos
lidados
Sexo:
Mujer
30
28
2
93%
Hombre
44
36
8
82%
Edad:
<17
1
1
0
100%
18-29
12
9
3
75%
30-49
32
27
5
84%
50-64
21
19
2
91%
>65
8
8
0
100%
Peso (kg):
<65 kg
12
11
1
92%
65-80
35
31
4
89%
kg
27
22
5
81%
>80 kg
Antigüedad de la fractura: 256-365 días
20
19
1
95%
366-730 días
27
24
3
89%
731-1826 días
17
16
1
94%
>1827 días
10
5
5
50%
N.º total de procedimientos
quirúrgicos combinando
la intervención inicial y las
0
20
15
5
75%
posteriores:
1
15
12
3
80%
2
24
23
1
96%
>3
15
14
1
93%
Días previos sin cirugía (días
transcurridos desde la última
intervención quirúrgica hasta el
<82
9
9
0
100%
inicio del tratamiento SAFHS):
83-365
39
34
5
87%
366-730
12
12
0
100%
>731
14
9
5
64%
Hueso:
Tibia/Tibia-Peroné/Peroné
28
26
2
93%
Fémur
13
12
1
92%
Radio/Radio-Cúbito/Cúbito
7
6
1
86%
Húmero
6
5
1
83%
Metatarsianos
4
4
0
100%
Otros huesos del pie (calcáneo)
1
1
0
100%
Tobillo††
2
1
1
50%
Escafoides
6
2
4
33%
Otros huesos de la mano (metacarpianos)
1
1
0
100%
Otros (4-clavícula, 1-pelvis, 1-costilla)
6
6
0
100%
††Artrodesis tibio-astragalina
Huesos grandes frente a otros huesos
Huesos grandes
59
54
5
92%
28 tibias
13 fémures
7 radios
6 húmeros
4 metatarsianos
1 metacarpiano
Otros huesos
1 calcáneo
15
10
5
67%
4 clavículas
1 pelvis
1 costilla
6 escafoides
2 tobillos
Labeling LBL-000319 [D] RELEASED
25
Desplazado al inicio de la terapia SAFHS
Falta
(5)
(2)
(3)
No
56
50
6
Valor-p
Sí
13
12
1
Tipo de hueso grande. Solo en casos de
huesos grandes
(5)
(3)
(2)
0,19
Falta
8
6
2
Metafisareo
46
45
1
Diafisario
0,52
Tipo de fractura inicial
Falta
(4)
(2)
(2)
Cerrada
40
34
6
Abierta
22
21
1
Artrodesis
2
1
1
0,65
Osteotomía
6
6
0
Fijación presente al inicio del
tratamiento SAFHS y durante el
mismo:
0,001
Varilla intramedular; solo para
hueso grande
43
38
5
No
Casos
(N=59)
16
16
0
Sí
Reducción abierta
50
43
7
0,16
No
Fijación interna (RAFI)
24
21
3
Sí
Fijación externa; solo para
50
46
4
No
Casos de huesos grandes
(N=59)
9
8
1
Sí
0,03
Conservador
58
51
7
No
(Escayola, férula, dispositivo
ortopédico)
Sí
16
13
3
Varilla intramedular o RAFI
o externa
10
7
3
No
Fijación o conservador
64
57
7
0,03
Sí
Terapia previa de litotricia fallida
No
72
62
10
Sí
2
2
0
¿Fumador?
Falta
(2)
(2)
(0)
Nunca ha fumado
34
31
3
Dejó de fumar antes de SAFHS
10
8
2
Fumador durante SAFHS
28
23
5
Tipo de fractura no consolidada:
Falta
(22)
(17)
(5)
Atrófica
41
36
5
0,02
Hipertrófica
11
11
0
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