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. 2014 May 29;25(11):2625–2632. doi: 10.1681/ASN.2014010035

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.

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