Table 2.
Completeness of creatinine data
Operation | Before Policy Change | After Policy Change | Chi Square | P Value | Preoperative | Postoperative | Preoperative and Postoperative |
---|---|---|---|---|---|---|---|
All orthopedic NOF | 3674 (81) | 4009 (82) | 3.68 | 0.05 | 8883 (94.5) | 7917 (84.2) | 7698 (81.9) |
Urology | 421 (58) | 402 (52) | 4.38 | 0.04 | 1396 (92.9) | 828 (55.1) | 823 (54.8) |
Vascular | 358 (89) | 362 (86) | 2.00 | 0.16 | 798 (96.8) | 727 (88.2) | 720 (87.4) |
Gastrointestinal | 1599 (78) | 1672 (78) | 0.50 | 0.48 | 4089 (97.6) | 3315 (79.2) | 3271 (78.1) |
Gynecology | 176 (35) | 227 (47) | 12.76 | <0.001 | 927 (94.2) | 423 (43.0) | 403 (41.0) |
Data are presented as n (%) of patients with creatinine data.