Tenemos la siguiente base de datos de pacientes con demencias diagnosticadas:
Variables:
P=Paciente
S=Sexo (h=hombre; m=mujer)
E=Edad
EVC=Enfermedad vascular central (s=sí; n=no)
EVP=Enfermedad vascular periférica (s=sí; n=no)
D=Diabetes (s=sí; n=no)
MM0=Mini Mental en el diagnóstico
MM3=Mini Mental a los 3 años
MM5=Mini Mental a los 5 años
P | S | E | EVC | EVP | D | MM0 | MM3 | MM5 |
1 | h | 60 | s | n | n | 21 | 20 | 18 |
2 | h | 79 | n | n | n | 20 | 19 | 16 |
3 | h | 71 | n | s | s | 23 | 20 | 17 |
4 | h | 66 | n | s | s | 22 | 19 | 16 |
5 | m | 69 | n | n | s | 21 | 19 | 16 |
6 | m | 62 | n | n | s | 24 | 22 | 19 |
7 | m | 60 | s | n | n | 21 | 19 | 16 |
8 | m | 63 | s | n | n | 24 | 22 | 19 |
9 | m | 77 | n | s | n | 23 | 21 | 18 |
10 | h | 63 | n | s | n | 20 | 18 | 15 |
11 | h | 79 | n | s | n | 24 | 22 | 19 |
12 | h | 55 | n | s | s | 23 | 21 | 18 |
13 | m | 72 | n | n | s | 21 | 19 | 16 |
14 | m | 68 | n | n | n | 21 | 21 | 20 |
15 | h | 81 | n | n | s | 23 | 21 | 18 |
16 | h | 71 | n | n | n | 20 | 19 | 19 |
17 | m | 61 | n | s | s | 24 | 23 | 20 |
18 | m | 76 | s | s | s | 23 | 22 | 19 |
19 | m | 72 | s | s | n | 22 | 21 | 18 |
20 | m | 63 | n | n | n | 24 | 23 | 20 |
21 | m | 67 | n | n | n | 21 | 20 | 17 |
22 | h | 69 | n | n | n | 23 | 22 | 19 |
23 | h | 60 | n | n | n | 21 | 20 | 17 |
24 | m | 64 | n | n | s | 22 | 21 | 18 |
25 | m | 73 | n | n | s | 21 | 20 | 17 |
26 | m | 66 | s | n | n | 23 | 21 | 18 |
27 | m | 76 | s | n | n | 22 | 20 | 17 |
28 | h | 75 | n | n | n | 23 | 21 | 18 |
29 | m | 62 | n | n | s | 21 | 19 | 16 |
30 | m | 78 | n | n | n | 24 | 22 | 19 |
31 | h | 57 | n | s | s | 23 | 21 | 18 |
32 | h | 58 | n | s | s | 21 | 19 | 16 |
33 | m | 63 | s | s | n | 23 | 21 | 18 |
34 | m | 65 | n | s | n | 24 | 22 | 19 |
35 | m | 74 | s | s | n | 20 | 17 | 14 |
36 | m | 61 | n | n | n | 24 | 22 | 19 |
37 | h | 71 | n | n | s | 23 | 21 | 18 |
38 | m | 71 | n | n | n | 22 | 21 | 18 |
39 | m | 63 | n | n | s | 24 | 23 | 20 |
40 | h | 67 | n | n | s | 21 | 20 | 17 |
41 | h | 69 | n | n | n | 21 | 20 | 17 |
42 | m | 63 | n | n | n | 21 | 20 | 17 |
43 | m | 75 | n | s | n | 22 | 21 | 18 |
44 | m | 69 | n | s | n | 21 | 20 | 17 |
45 | m | 62 | s | s | n | 24 | 20 | 17 |
46 | m | 66 | s | s | s | 24 | 20 | 16 |
47 | h | 57 | n | s | n | 23 | 22 | 19 |
48 | h | 62 | n | s | s | 21 | 18 | 16 |
49 | h | 59 | n | n | n | 21 | 20 | 17 |
50 | m | 72 | n | n | s | 28 | 27 | 24 |
51 | m | 78 | n | n | s | 24 | 23 | 20 |
52 | m | 73 | s | n | n | 24 | 23 | 20 |
53 | m | 63 | n | n | n | 23 | 24 | 21 |
54 | h | 65 | s | n | n | 23 | 22 | 19 |
55 | m | 67 | n | s | n | 23 | 22 | 21 |
56 | m | 66 | n | s | n | 24 | 23 | 20 |
57 | h | 75 | n | n | s | 22 | 21 | 18 |
58 | h | 62 | n | n | n | 21 | 20 | 17 |
59 | m | 71 | n | n | s | 23 | 22 | 19 |
60 | m | 59 | s | s | n | 22 | 17 | 16 |
61 | m | 66 | n | n | s | 24 | 23 | 20 |
62 | m | 64 | n | n | s | 23 | 22 | 19 |
63 | m | 65 | n | n | n | 22 | 21 | 18 |
64 | h | 71 | n | n | n | 24 | 23 | 20 |
65 | h | 68 | n | n | n | 21 | 20 | 17 |
66 | h | 73 | n | n | n | 21 | 20 | 17 |
67 | m | 64 | n | n | n | 21 | 20 | 17 |
68 | m | 60 | s | s | s | 22 | 18 | 15 |
69 | m | 76 | n | n | n | 21 | 21 | 18 |
70 | m | 64 | n | n | s | 23 | 23 | 20 |
71 | h | 68 | n | n | n | 22 | 19 | 16 |
72 | m | 63 | n | n | s | 23 | 19 | 16 |
73 | m | 68 | n | n | s | 21 | 19 | 16 |
74 | h | 73 | n | n | n | 21 | 22 | 16 |
75 | h | 62 | n | n | n | 23 | 19 | 16 |
76 | m | 65 | n | n | n | 24 | 23 | 20 |
77 | m | 76 | n | n | n | 20 | 19 | 16 |
78 | m | 61 | n | n | n | 24 | 23 | 20 |
79 | m | 67 | n | n | s | 22 | 20 | 17 |
80 | m | 64 | n | n | n | 22 | 21 | 18 |
81 | h | 64 | n | n | s | 23 | 21 | 18 |
82 | m | 69 | n | s | s | 20 | 17 | 15 |
83 | m | 74 | n | n | n | 22 | 21 | 20 |
84 | m | 57 | n | n | n | 24 | 23 | 20 |
85 | h | 67 | n | n | n | 23 | 22 | 19 |
86 | h | 73 | n | n | n | 22 | 21 | 18 |
87 | m | 74 | n | n | s | 21 | 20 | 17 |
88 | m | 72 | s | s | n | 23 | 20 | 17 |
89 | m | 78 | n | n | s | 24 | 23 | 20 |
90 | m | 68 | s | s | s | 22 | 20 | 18 |
91 | h | 73 | n | n | n | 21 | 20 | 17 |
92 | m | 64 | n | n | n | 21 | 20 | 17 |
93 | h | 75 | n | n | n | 23 | 22 | 19 |
94 | h | 63 | n | n | n | 23 | 23 | 21 |
95 | m | 79 | n | n | n | 20 | 19 | 16 |
96 | m | 77 | s | n | s | 24 | 20 | 16 |
97 | m | 76 | n | n | s | 23 | 22 | 19 |
98 | m | 62 | n | s | n | 22 | 21 | 19 |
99 | h | 70 | n | n | s | 24 | 23 | 21 |
100 | m | 73 | n | n | s | 20 | 20 | 16 |
1.Hacer una estadística descriptiva básica (Media y desviación estándar o Mediana y rango intercuartílico) de las variable MM0, MM3, MM5 y MM0-MM5.
2.Hacer una estadística descriptiva básica de la variable «Número de enfermedades con riesgo vascular que tiene el paciente (Enfermedad vascular central, periférica o diabetes)».
3.Correlacionar el número de enfermedades con riesgo vascular que tiene el paciente con la variable MM0-MM5.
4.Correlacionar la edad con la variable MM0-MM5.
5.Comparar si hay diferencia de medias, estadísticamente significativa, en la variable MM5 entre los pacientes que tienen o no Diabetes.
6.Comparar si hay diferencia de medias, estadísticamente significativa, en la variable MM0-MM5 entre los pacientes que tienen o no Diabetes.