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Description of lumbar puncture procedure
| Mean (standard deviation) or n (%) | Total (n = 50) | Hypnosis group (n = 25) | Control group (n = 25) | Test statistic | p |
|---|---|---|---|---|---|
| Mean duration (min) | 7.7 (5.4) | 6.7 (5.8) | 8.5 (5.0) | W = 428.0 | 0.01a |
| Number of punctures | 1.5 (0.8) | 1.4 (0.8) | 1.6 (0.9) | W = 367.0 | 0.21a |
| Difficulty of the procedure (/5) | 2.1 (1.7) | 2.0 (1.7) | 2.3 (1.7) | W = 306.5 | 0.50a |
| Success of the procedure, n (%) | 46 (92.0) | 24 (96.0) | 22 (88.0) | – | 0.61b |
aWilcoxon test
bFisher’s exact test
