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Length of hospital stays for patients with hospital-acquired acute kidney injury (HA-AKI). Mean times in days ± SD for hospital stay for patients with HA-AKI in the medicine and surgery wards with or without RRT (HD). *P = 0.002, patients without any HA-AKI during hospital stay compared with HA-AKI patient groups (nrHA-AKI, lrHA-AKI, and erHA-AKI). nrHA-AKI, HA-AKI without nephrology referral; lrHA-AKI, late-referred HA-AKI; erHA-AKI, early-referred HA-AKI.
