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. Author manuscript; available in PMC: 2015 Apr 20.
Published in final edited form as: Spine (Phila Pa 1976). 2014 Apr 20;39(9):728–735. doi: 10.1097/BRS.0000000000000237

Figure 1.

Figure 1

Drain output after ACDF. An increased drain output was defined as one greater than or equal to the 50th percentile drain output, which was 30 mL. Patients with total drain output to the right of the vertical dashed line had increased drain output.