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Table 2 Changes in Hct, Hb, and anemia level following unilateral biportal endoscopic (UBE) spine surgery

From: Analysis of risk factors for perioperative hidden blood loss in unilateral biportal endoscopic spine surgery: a retrospective multicenter study

  Preoperative (n = 136) Postoperative (n = 136) Statistical significance
Hct, % 37.6 ± 4.6 31.9 ± 4.1 P = 0.018
Hb, g/L 125.1 ± 11.6 107.2 ± 13.5 P = 0.043
Anemia 78 121 P = 0.006
  1. Hct hematocrit, Hb hemoglobin