Cervical discectomy | | | | | | |
Soliman et al., 2013 (44) | 44 | 48.0 | 37; microendoscopic discectomy and fusion | 33; conventional anterior cervical discectomy and fusion | – | 121 |
Ruetten et al., 2008 (45) | 34 | 43.0 | 100; full-endoscopic cervical posterior foraminotomy | 100; conventional anterior cervical discectomy and fusion | 26 | 104 |
Ruetten et al., 2009 (46) | 36 | NR | 60; full-endoscopic anterior cervical decompression | 60; conventional anterior cervical discectomy and fusion | 26 | 104 |
Kim et al., 2009 (47) | 63 | 54.3 | 22; tubular posterior discectomy or foraminotomy | 19; open posterior discectomy or foraminotomy | 26 | 104 |
Lumbar discectomy | | | | | | |
Arts et al., 2009 (13) and 2011 (48) | 53 | 41.5 | 167; tubular discectomy | 161; conventional microdiscectomy | 26 | 104 |
Brock et al., 2008 (49) | 61 | 51.0 | 66; tubular discectomy | 59; conventional microdiscectomy | 1 | – |
Franke et al., 2009 (50) | 60 | 44.0 | 52; microscope-assisted percutaneous nucleotomy | 48; conventional microdiscectomy | 26 | 52 |
Garg et al., 2011 (51) | 71 | 37.5 | 55; microendoscopic discectomy | 57; conventional open discectomy | 26 | 52 |
Huang et al., 2005 (52) | 68 | 39.5 | 10; microendoscopic discectomy | 12; conventional open discectomy | – | 82 |
Righesso et al., 2007 (53) | 47 | 43.9 | 21; microendoscopic discectomy | 19; conventional open discectomy | 26 | 104 |
Ruetten et al., 2008 (54) | 42 | 43.0 | 100; endoscopic interlaminar and transforaminal discectomy | 100; conventional microdiscectomy | 26 | 104 |
Ryang et al., 2008 (55) | 53 | 38.0 | 30; minimal access trocar microdiscectomy | 30; conventional microdiscectomy | – | 69 |
Shin et al., 2008 (56) | 40 | 42.0 | 15; microendoscopic discectomy | 15; conventional microdiscectomy | 1 | – |
Teli et al., 2010 (57) | 66 | 39.5 | 70; microendoscopic discectomy | 72; conventional microdiscectomy | 26 | 104 |