| Methods |
Randomised controlled trial. No blinding reported. 60 patients with 30 allocated to each group. |
| Participants |
Patients with severe craniocerebral injuries, GCS <8 within 24 hours of injury, aged between 11 and 68 years. |
| Interventions |
The conventional treatment group received the usual medical and or surgical management as usual in the study institution. HBO group started HBO when clinically stable (mean 12 days), consisting of a mean 29 daily treatments. |
| Outcomes |
GCS and GOS. They also measured EEG changes. |
| Notes |
Translated from the original Chinese. |
| Risk of bias |
| Bias |
Authors' judgement |
Support for judgement |
| Random sequence generation (selection bias) |
Unclear risk |
Method not stated: "The subjects are randomly allocated". |
| Allocation concealment (selection bias) |
Unclear risk |
No mention of allocation concealment. |
| Blinding (performance bias and detection bias)
All outcomes |
High risk |
No mention of blinding and this was unlikely given there is no mention of sham therapy, |
| Incomplete outcome data (attrition bias)
All outcomes |
Unclear risk |
There is no mention of any loss of subjects to follow‐up. |
| Selective reporting (reporting bias) |
Low risk |
No evidence of planned outcome measures that are not reported. |
| Other bias |
Low risk |
No evidence of other bias operating. |
