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Table 1 Angiogenic and hypoxic/degenerative features in the subglottis of control and intubated animals

From: Corrosion casting of the subglottis following endotracheal tube intubation injury: a pilot study in Yorkshire piglets

  Control group (Features/FOV) Intubation group (Features/FOV) Significance
Vessel features Median (IQR) Median (IQR) P value
Angiogenic    
 Total angiogenic 66.0 (54.5–81.0) 46.5(36.0–56.0) .002
 Budding 33.5 (28.3–43.0) 16.0 (13.3–23.3) .000
 Sprouting 30.0 (22.7–39.3) 20.5 (18.0–25.0) .037
 Intussusception 1.5 (0.3–2.7) 4.5 (3.3–6.7) .004
Hypoxic/Degenerative    
 Total hypoxic/degenerative 4.0(2.0–5.8) 7.5(6.0–10.0) .000
 Extravasation 1.5 (1.0–3.7) 5.5 (4.0–7.7) .000
 Corrugation 1.0 (0–2.0) 1.0 (0–1.0) .963
 Circular constriction 0 (0–1.0) 1.0 (0–2.7) .079
  1. SD = standard deviation.
  2. IQR = interquartile range.
  3. FOV = field of view (one image on electron microscopy).