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Characteristics of the papers included in this review
| Year of publication | |
| Range | 1983–2018 |
| Number of publications per decade | |
| Until 2000 | 7 |
| 2001–2010 | 11 |
| 2011–2018 | 24 |
| Number of patients per publication | |
| Range | 4–413 |
| Mean (SD) | 90.9 (86.3) |
| Median | 66 |
| Type of low back pain | |
| Acute | 3 |
| Subacute | 1 |
| Chronic | 38 |
| Type of psychotherapy studied | |
| Classic behavioral therapy | 2 |
| Cognitive behavioral therapy | 29 |
| Third wave approaches | 6 |
| Comparing different types | 5 |
