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

Table 3.

ITS of monthly percentage of AKI in orthopedic surgery patients using preoperative versus highest postoperative creatinine measurement, excluding patients with a NOF fracture

Variable β (95% Confidence Interval) P Value
Time 0.08 (−0.12 to 0.28) 0.40
Intervention (0, before policy change; 1, after policy change) −1.65 (−5.45 to 2.16) 0.39
Time after intervention 0.30 (0.01 to 0.59) 0.04
Percentage of men (+1%) −0.07 (−0.30 to 0.16) 0.52
Mean age (+1 year) 0.09 (−0.69 to 0.88) 0.81
Percentage of β-blockers (+1%) −3.85 (−8.24 to 0.54) 0.08
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