| Study characteristics |
| Methods |
Study design: RCT
Setting: Netherlands, not specified
Exercise groups: 1
Comparison groups: 1 |
| Participants |
Number of participants: 201 (E1 = 96, C1 = 105)
Chronic LBP duration: Not specified (not specified)
Neurological/radicular symptoms: Not specified
Mean age (years): 34
Sex (female): 67% |
| Interventions |
Exercise Group 1 (E1): Postural exercises (Cesar therapy) (after a 12‐week exercise intervention); type = other (co‐ordination); duration = not specified weeks; dose = low; design = individualised; delivery = individual; additional intervention = none
Comparison Group 1 (C1): Usual care/no treatment (control group: no intervention) |
| Outcomes |
Core outcomes reported: Pain (Graded Chronic Pain Scale (von Korff)); function (Quebec Back Pain Disability Scale); Global Perceived Health or Recovery (Global Perceived Health or Recovery (self‐report recovery; general health (categorical))
Follow‐up time periods available for syntheses: 26 weeks (moderate); 78 weeks (long) |
| Notes |
Conflicts of interest: Not reported
Funding source: Not reported
Other: None |
| Risk of bias |
| Bias |
Authors' judgement |
Support for judgement |
| Random sequence generation (selection bias) |
Low risk |
Support for judgement is not available |
| Allocation concealment (selection bias) |
Low risk |
Support for judgement is not available |
| Blinding of participants and personnel (performance bias)
All outcomes |
High risk |
Support for judgement is not available |
| Blinding of care provider (performance bias) |
High risk |
Support for judgement is not available |
| Blinding of outcome assessment (detection bias)
All outcomes |
High risk |
Support for judgement is not available |
| Incomplete outcome data (attrition bias)
All outcomes |
High risk |
Support for judgement is not available |
| Participants analysed in group allocated (attrition bias) |
High risk |
Support for judgement is not available |
| Selective reporting (reporting bias) |
Low risk |
Support for judgement is not available |
| Groups similar at baseline (selection bias) |
Unclear risk |
Support for judgement is not available |
| Co‐interventions avoided or similar (performance bias) |
Unclear risk |
Support for judgement is not available |
| Compliance acceptable in all groups (performance bias) |
Unclear risk |
Support for judgement is not available |
| Timing of outcome assessment similar in all groups (detection bias) |
Low risk |
Support for judgement is not available |
