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. 2011 Oct 12;8(7):623–627. doi: 10.7150/ijms.8.623

Table 2.

Venipuncture pain scores, assessed by the visual analogue scale (VAS).

Control Placebo EMLA Vapocoolant
VAS 28.8±17.9 (0-75) 33.4±19.5 (0-77) 10.7±10.6 (0-44)*#§ 14.0±12.4 (0-53)# §
Moderate pain
VAS> 30 mm
20 (48.8%) 23 (56.1%) 4 (9.8%)#§ 4 (9.8%)#§
Severe pain
VAS> 54 mm
5 (12.2%) 8 (19.5%) 0 (0%)#§ 0 (0%)#§

VAS: 0mm-100mm. Data are presented as Mean± SD (range) or number of patients (percentage). *p=0.00 compared to vapocoolant, # p=0.00 compared to control, § p=0.00 compared to placebo.