Table 2.
Reported Surgical Detailsa.
| Parameter | Value |
|---|---|
| Total patients | 632 (100%)5,7,11,12,17-21 |
| Failed reported patients | 57 (9%) |
| Gender (%) | 5,7,11,12,17-21 |
| Male | 169 (32%) |
| Female | 366 (68%) |
| Mean age | 65.2 years5,7,11,12,17-21 |
| Mean BMI | 27.6 kg/m2 5,7,11,20 |
| Mean operative time | 169.4 minutes11,17-21 |
| Mean follow-up | 21 months7,11,17-21 |
| Instrument | 7,17-20 |
| No | 77 (17%) |
| Yes | 378 (83%) |
| Instrument details | 7,17,18 |
| Unilateral screw | 70 (30%) |
| Bilateral screw | 104 (45%) |
| Lateral plate | 59 (25%) |
| Total number of levels | 11665,7,11,12,17-21 |
| Levels/patient, range | 1-6 |
| Number of levels | 10215,7,11,12,20,21 |
| 1 | 251 (46.8%) |
| 2 | 141 (26.3%) |
| 3 | 97 (18.1%) |
| 4 | 40 (7.5%) |
| 5 | 5 (1%) |
| 6 | 2 (0.4%) |
| Level treated | 4915,7,11,12,18-21 |
| Above T11 | 1 (0.2%) |
| T12-L1 | 2 (0.4%) |
| L1-2 | 26 (5.3%) |
| L2-3 | 81 (16.5%) |
| L3-4 | 154 (31.4%) |
| L4-5 | 227 (46.7%) |
| Total number of levels | 11665,7,11,12,17-21 |
| Levels/patient, range | 1-6 |
Abbreviation: BMI, body mass index.
aThe numbers presented in this table are only a transcript of a pool of data from each article. The variation in the total number of patients and their single procedure characteristics is due to lack of information provided by the authors in their original manuscripts. Superscript numbers (references) represent the articles that included this type of information.