Figure 5.  Proportions of patients reporting that the 29-gauge
(29G)/5-bevel needlea was better (responses of "much less" or
"somewhat less"), similar (a "no difference" response) or worse
(responses of "somewhat more" or "much more") than the
27G/3-bevel needle for questions that were unique to the US
study (n = 78; see Table 2 for survey questions). aReferred to
as the 'trial syringe' by the questionnaire.  Jaber et al. BMC
Neurology 2008 8:38   doi:10.1186/1471-2377-8-38 Download
authors' original image