Table 1 Baseline characteristics of the participants
Pillow group n = 62 | Control group n = 62 | P | |
|---|---|---|---|
median (min, max) | |||
Age (years) | 6.63 (2.18–17.48) | 7.70 (2.02–16.68) | 0.60 |
Status, Lansky or Karnofsky score (%) | 100 (40–100) | 100 (40–100) | 0.86 |
Platelet count | 189.5 (11–660) | 201.5 (24–609) | 0.63 |
Number of previous LP | 2 (0–16) | 2 (0–16) | 0.82 |
N (%) | |||
Male | 38 (61.3) | 37 (59.7) | 0.85 |
Previous LP | 55 (88.7) | 57 (91.9) | 0.54 |
Description of the LP | (n, %) | ||
Premedication | 21 (33.9) | 15 (24.2) | 0.24 |
EMLA® | 61 (98.4) | 61 (98.4) | 1 |
Entonox | 57 (91.9) | 60 (96.8) | 0.24 |
Purpose of LP | 0.3 | ||
Diagnosis* | 7 (11.3) | 7 (11.3) | |
Disease follow-up | 10 (16.1) | 4 (6.5) | |
Treatment injection | 45 (72.6) | 51 (82.3) | |
Median (min-max) | |||
LP duration (minutes) | 4 (1–33) | 4 (2–19) | 0.52§ |
Number of attempts | 1 (1–5) | 1 (1–4) | 0.98§ |
Amount of CSF** withdrawn (drops) | 20 (10–34) | 20 (20–40) | 0.3§ |
Number of attending persons | 4(2–7) | 4 (2–5) | 0.5§ |
LP performed in sitting position (first attempt), (n, %) | 62 (100) | 62 (100) | |