1.

Postoperative maximum pain (NRS) after THA by number of non-opioid medication.

1.

Baseline characteristics.

1.

Multimodal analgesia strategies hip surgery.

1.

Multimodal analgesia strategies knee surgery.

1.

Postoperative pain and side effects.

1.

Multivariate logistic regression analysis.

1.

Questionnaire.

1.

Detailed statistical analysis.

1.

Overview of datasources.

1.

Questionnaire responses.