Table 2.
Number | Indicator | 2015 | 2016 | ||||
---|---|---|---|---|---|---|---|
N | D | % | N | D | % | ||
Process | |||||||
2 | Percentage of complete registered patient records regarding primary and/or secondary surgery. | 9534 | 10,355 | 92.1 | 10,922 | 11,586 | 94.3 |
3 | Percentage of primary operated patients, meeting the inclusion criteria on the basis of BMI and age. | 8371 | 8756 | 95.6 | 9625 | 10,028 | 96.0 |
4 | Percentage of primary operated patients, who are lost to follow-up in the first year after primary surgery. | – | – | – | 131 | 6433 | 2.04 |
Outcome | |||||||
5 | Percentage of primary and/or secondary operated patients, with severe complications (CDC grade 3 or higher) within 30 days after surgery. | 305 | 10,355 | 2.92 | 332 | 11,586 | 2.87 |
6 | Percentage of primary and/or secondary operated patients, with a postoperative intervention within 30 days after surgery. | 294 | 10,355 | 2.84 | 316 | 11,586 | 2.73 |
7 | Percentage of primary operated patients, with more than 50% excess weight loss (%EWL) in the first year after primary surgery. | – | – | – | 5346 | 6433 | 83.1 |
8 | Percentage of primary operated patients, with more than 20% total weight loss (%TWL) in the first year after primary surgery. | – | – | – | 5538 | 6433 | 86.1 |
N numerator, D denominator, CDC Clavien-Dindo Classification of Surgical Complications, BMI body mass index