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Table 2 Outcomes, intention to treat analysis

From: A positioning pillow to improve lumbar puncture success rate in paediatric haematology-oncology patients: a randomized controlled trial

  Pillow group n = 62 Control group n = 62 P
Primary outcome: successful LP (n, %, n = 121) 41 (67.2) 34 (56.7) 0.23
   Only one attempt (n, %) 50 (80.7) 50 (80.7) -
   Objective of LP reached (n, %) 60 (96.8) 60 (96.8) -
   Macroscopic haemorrhage (n, %) 10 (16.1) 5 (8.1) 0.17
   Microscopic haemorrhage (RBC > 50/mm3, n, %) 42 (67.7) 47 (75.8) 0.49
Operating physician satisfaction: nb very satisfied or satisfied (n, %, n = 124) 49 (79) 52 (83.9) 0.49
Child anxiety (LeBaron scale): median (min.-max, n = 124) 4 (0–33) 3.5 (0–23) 0.28
Child satisfaction: nb "very satisfied" or "satisfied" (n, %, available in children over 6 years, n = 47, 46) 27 (84.4) 27(75) 0.34
Nursing team satisfaction: nb "very satisfied" or "satisfied" (n, %, n = 124) 50 (81) 49 (79) 0.82
Parents satisfaction (n, %, n = 75 answers) 24 (72.7) 34 (81) 0.39
Post-LP syndrome (n, %, n = 124) 9 (14.5) 15 (24.2) 0.17