Risk of bias for analysis 1.7 Costs of analgesic drugs.

Study

Bias

Randomisation process

Deviations from intended interventions

Missing outcome data

Measurement of the outcome

Selection of the reported results

Overall

Authors' judgement

Support for judgement

Authors' judgement

Support for judgement

Authors' judgement

Support for judgement

Authors' judgement

Support for judgement

Authors' judgement

Support for judgement

Authors' judgement

Support for judgement

Segado Jimenez 2009

Low risk of bias

Patients were randomized. No baseline differences between intervention groups identified.

Low risk of bias

No deviations from intended interventions identified.

Low risk of bias

100% of included participants were analyzed.

Low risk of bias

Drugs expenses (not including indirect costs or stay).

Low risk of bias

No deviation to the planned statistical analysis identified. Only one result provided.

Low risk of bias

No risk of bias identified.