TABLE II.
Shoulder Arthroscopy Descriptive Characteristics
| 2009 | 2010 | 2011 | 2012 | 2013 | |
| CalPERS | |||||
| No. of procedures | 432 | 433 | 404 | 456 | 413 |
| Performed at ambulatory surgery center | 266 | 239 | 245 | 291 | 293 |
| Performed at hospital outpatient department: not exempt | 166 | 194 | 159 | 97 | 56 |
| Performed at hospital outpatient department: exempt | 0 | 0 | 0 | 68 | 64 |
| Procedure payment* | $8233 | $8146 | $8504 | $7626 | $8657 |
| Hospital outpatient departments* | $10,955 | $10,059 | $11,837 | $9361 | $11,808 |
| Ambulatory surgery centers* | $6534 | $6594 | $6340 | $6642 | $7367 |
| Charlson Comorbidity Index score* | 2.1 | 0.5 | 0.5 | 0.7 | 0.2 |
| Male patients | 56.50% | 57.50% | 57.20% | 52.60% | 55.00% |
| Patient age* (yr) | 53.1 | 52.1 | 53 | 53.3 | 52.6 |
| Ninety-day complications | |||||
| Complication rate* | 1.39% | 1.39% | 0.99% | 0.44% | 0.73% |
| No. of complications | 6 | 6 | 4 | 2 | 3 |
| Anthem | |||||
| No. of procedures | 3634 | 3588 | 3458 | 3602 | 3743 |
| Performed at ambulatory surgery center | 1425 | 1368 | 1272 | 1318 | 1309 |
| Performed at hospital outpatient department | 2209 | 2220 | 2186 | 2284 | 2434 |
| Procedure payment* | $6420 | $6925 | $6984 | $7430 | $7449 |
| Hospital outpatient departments* | $8158 | $9298 | $9247 | $9483 | $9323 |
| Ambulatory surgery centers* | $5298 | $5463 | $5667 | $6245 | $6440 |
| Charlson Comorbidity Index score* | 1 | 1.1 | 0.5 | 0.6 | 1 |
| Male patients | 61.50% | 62.40% | 60.50% | 60.90% | 61.80% |
| Patient age* (yr) | 48.7 | 48.9 | 49.6 | 49.6 | 49.9 |
| Ninety-day complications | |||||
| Complication rate* | 1.13% | 0.84% | 1.01% | 1.05% | 0.83% |
| No. of complications | 41 | 30 | 35 | 38 | 31 |
*
The values are given as the mean.