Table 3 Description of lumbar puncture procedure

Mean duration (min)

7.7 (5.4)

6.7 (5.8)

8.5 (5.0)

W = 428.0

0.01^a

Number of punctures

1.5 (0.8)

1.4 (0.8)

1.6 (0.9)

W = 367.0

0.21^a

Difficulty of the procedure (/5)

2.1 (1.7)

2.0 (1.7)

2.3 (1.7)

W = 306.5

0.50^a

Success of the procedure, n (%)

46 (92.0)

24 (96.0)

22 (88.0)

–

0.61^b