Rate of missed appointments by country of study
| Country | Number of studies reporting rate | Rate of missed appointments |
|---|---|---|
| US | 12 23,25,27–32,34–37,40 | 4.4–29.8% (mean 14.5%) |
| UK | 2 33,39 | 5.2% and 12.1% |
| Australia | 128 | 7.6% |
| Canada | 219,38 | 24.6% and 3.3% |
| Malaysia | 220,24 | 48.1% and 16.7% |