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Table 4 Ultrasound measurement of ONSD

From: Effects of intraoperative lung-protective ventilation on clinical outcomes in patients with traumatic brain injury: a randomized controlled trial

  T0 T1 t0 t1 t2 t3 t4 T3 P
Group A (n = 25) 5.32 ± 0.36 5.37 ± 0.32 NA NA NA NA NA 5.32 ± 0.30 0.864
Group B (n = 28) 5.33 ± 0.32 5.37 ± 0.30 5.44 ± 0.31 NA NA NA NA 5.38 ± 0.29 0.527
Group C (n = 28) 5.26 ± 0.28 5.32 ± 0.30 5.37 ± 0.31 5.38 ± 0.29 5.65 ± 0.28abcd 5.38 ± 0.30 5.61 ± 0.28abcd 5.34 ± 0.29 < 0.001
  1. Data are presented as the mean ± standard deviation (mm)
  2. NA not applicable; ONSD optic nerve sheath diameter
  3. aP<0.05, bP<0.05, cP<0.05, dP<0.05 compared to T0, T3, t1, t3, respectively