Fig. 1.

VAS total pain scores (mean + SEM) recorded immediately and 5 min after injection of 20 mg/0.5 mL GA or 20 mg/1.0 mL GA. ^aAs indicated on the Y axis, the rating scale for VAS total pain scores was 0 “no pain” to 100 mm “worst possible pain.” *p < 0.0001; 20 mg/0.5 mL LS mean 133.6 mm, 95% CI 120.0–147.2; and 20 mg/1.0 mL LS mean 154.7 mm, 95% CI 141.0–168.3. ^† p < 0.0001; 20 mg/0.5 mL LS mean 130.4 mm, 95% CI 116.9–143.9; and 20 mg/1.0 mL LS mean 157.6 mm, 95% CI 144.1–171.2