|
Tabla 2: Tipos de estudio. |
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|
Autor, año |
Tipo de estudio |
|||
|
Retros- pectivo |
Pros- pectivo |
Serie de casos |
Cohorte |
|
|
Persson, 197829 |
X |
|
X |
|
|
Giordano, 198030 |
X |
|
X |
|
|
Taher, 199031 |
X |
|
X |
|
|
El-Sheikh, 199232 |
X |
|
X |
|
|
Kudo, 199233 |
X |
|
X |
|
|
Ardary, 199334 |
|
X |
X |
|
|
Cheung, 199435 |
X |
|
X |
|
|
Pogrel, 199736 |
|
|
|
X |
|
Foster, 199937 |
X |
|
X |
|
|
August, 200038 |
X |
|
X |
|
|
Obiechina, 200339 |
X |
|
X |
|
|
Chiapasco, 200840 |
X |
|
X |
|
|
Van Germet, 200941 |
X |
|
X |
|
|
Maurer, 201042 |
X |
|
X |
|
|
Gadre, 201143 |
X |
|
X |
|
|
Sajid, 201144 |
X |
|
X |
|
|
Rana, 201145 |
X |
|
X |
|
|
Handschel, 201146 |
X |
|
X |
|
|
Guerrier, 201547 |
X |
|
X |
|
|
Okoje, 201248 |
X |
|
X |
|
|
Morrison, 201049 |
X |
|
X |
|
|
Magesh, 201350 |
X |
|
X |
|
|
Ahmad, 201351 |
X |
|
X |
|
|
Schlieve, 201552 |
X |
|
X |
|
|
Ndukwe, 201453 |
X |
|
X |
|
|
Devireddy, 201554 |
X |
|
X |
|
|
Ahmed, 201755 |
X |
|
X |
|
|
Ahmed, 201856 |
X |
|
X |
|
|
Bede, 201957 |
X |
|
X |
|