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Table 3 Characteristics of children who improved

From: Characteristics and outcomes in children on long-term mechanical ventilation: the experience of a pediatric tertiary center in Rome

CharacteristicsNIVIMVp values
N° of Subjects33/2826/111χ2 = 2.964; p = 0.0851
Male/female21/123/3χ2 = 0.389, p = 0.5330
Age at start of LTV (years)6.4 (12.5–16.4)2.1 (1.1–3.4)p = 0.0001
Age at December 31, 2017 (years)12.5 (11.0–13.6)9.0 (7.0–11.0)p = 0.0298
Major diagnostic categories
 - NMDs1/320/6χ2 = 0.182; p = 0.6698
 - Upper airways diseases24/90/6χ2 = 11.055; p = 0.0009
 - Lower airways diseases2/314/2χ2 = 13.958; p = 0.0002
 - CNS diseases4/290/6χ2 = 0.790; p = 0.3742
 - Abnormal ventilatory control diseases0/331/5χ2 = 5.500; p = 0.0190
 - Other2/311/5χ2 = 0.784; p = 0.3760
Hours/day spent under mechanical ventilation (< 12/≥12)31/24/2χ2 = 3.997; p = 0.0456
Home health care (yes/no)2/313/3χ2 = 8.546; p = 0.0035
  1. Results are expressed as median (interquartile range), unless otherwise specified
  2. LTV Long Term Ventilation, NIV Noninvasive Ventilation, IMV Invasive Mechanical Ventilation, NMDs Neuromuscular Diseases, CNS diseases Central Nervous System diseases