Most frequently scored enthesis points at baseline, at one year follow up, and at two year follow up in order of detection during the data reduction process
| Baseline | One year follow up | Two year follow up |
|---|---|---|
| MEI, Mander enthesis index. *Included in reduced Mander enthesis index; †included in Maastricht Ankylosing Spondylitis Enthesis Score. | ||
| Proximal insertion of Achilles tendon left* | Posterior superior iliac spine left*† | 5th Lumbar spinous process*† |
| Iliac crest left*† | 7th Costochondral joint right*† | 7th Costochondral joint right*† |
| 5th Lumbar spinous process*† | 1st Costochondral joint right*† | Posterior superior iliac spine left*† |
| 7th Costochondral joint left*† | Proximal insertion of Achilles tendon left* | 4th Costochondral joint left* |
| 1st Thoracic spinous process* | 4th Lumbar spinous process* | Anterior superior iliac spine right† |
| 9th Thoracic spinous process* | ||
| 76% of patients with MEI >0 detected | 79% of patients with MEI >0 detected | 83% of patients with MEI >0 detected |