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. Author manuscript; available in PMC: 2020 Jan 1.
Published in final edited form as: Spine J. 2018 May 21;19(1):104–112. doi: 10.1016/j.spinee.2018.05.026

Table 2:

Surgical Data

Number %/IQR
    Duration of Surgery (median, minutes) 168 116.8–253.3
    Duration of Anesthesia (median, minutes) 263.5 207.8–367.3
    Cervical Surgery 51 51%
    Anterior Cervical Fusion 12 23.5%
    Posterior Cervical Fusion 26 51.0%
    Posterior Cervical Laminoplasty 11 21.6%
    Posterior Cervical, not instrumented 2 3.9%
    Lumbar Surgery 49 49%
    Posterior Lumbar, not instrumented 22 44.9%
    Posterior Lumbar Fusion 27 55.1%
    Extent of Surgery
    Average n.of spinal levels, instrumented 2 1–4
    Average n.of spinal levels, not instrumented 3 2–4