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Table 2 Data on agreement between first and second opinions

From: Second opinions for spinal surgery: a scoping review

Study, year Agreement between first and second opinions, second opinion/second opinion (%)
Diagnosis Need for surgery Type of surgery
Lenza, 2017 Overall agreement: 53%
Agreement by diagnosis:
- Non-specific neck pain: 4/13 (24%)
- Radiculopathy (cervical): 36/99 (36%)
- Radiculopathy (lumbar): 116/234 (50%)
- Lumbar stenosis: 7/12 (58%)
- Failed back surgery: 26/37 (70%)
- Non-specific low back pain: 66/83 (80%)
- Cervical myelopathy: 2/2 (100%)
- Non-spinal condition: 87/0
Overall agreement: 143/425 (34%) Agreement with the same surgical procedure recommended by the first opinion: 66/425 (16%)
- Cervical fusion: 11/71 (15%)
- Cervical disc arthroplasty (1 or 2 levels): 0/7 (0%)
- Lumbar fusion: 25/162 (15%)
- Cervical or lumbar decompression: 7/28 (25%)
- Endoscopic lumbar decompression: 0/1 (0%)
- Percutaneous decompression: 0/20 (0%)
- Percutaneous decompression and rhizotomy: 0/1 (0%)
- Stabilisation (interlaminar-interspinous): 0/8 (0%)
- Nucleoplasty: 0/5 (0%)
- Revision with fusion (cervical): 0/1 (0%)
- Revision with fusion (lumbar): 14/22 (64%)
- Steroid injection: 0/6 (0%)
- Neuro-stimulator: 0/3 (0%)
- Discography: 0/1 (0%)
- Radiofrequency rhizotomy: 8/86 (9%)
- Hardware removal: 1/1 (100%)
- Not reported: 0/2 (0%)
Gamache, 2012   55%  
Namiranian, 2018   Overall agreement: 0/11 (0%)  
Yanamadala, 2017 Overall agreement: 96/100 (96%)
Agreement by diagnosis
- Non-spinal condition: 4/0
Overall agreement: 42/100 (42%)  
Epstein, 2011   Overall agreement: 227/274 (83%)  
Epstein, 2013   Overall agreement: 72/183 (39%)  
Vialle, 2015   Overall agreement: 58/94 (62%)  
Viola, 2013   Overall agreement: 218/399 (55%)