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. Author manuscript; available in PMC: 2013 Jan 10.
Published in final edited form as: Cephalalgia. 2010 Apr 7;31(1):6–12. doi: 10.1177/0333102410365108

Figure 1.

Figure 1

(A) Mean heat pain thresholds and (B) mean heat tolerance thresholds (with 95% confidence interval) by headache group and body region. The main effect of headache group was significant for heat pain (F(2,57)=11.4; P<0.001) and heat tolerance (F(2,57)=11.7; P<0.001). For heat pain, significant headache group pair-wise comparisons include EM (42.7°C) vs CTL (46.4°C; P<0.001) and CM (43.4°C) vs CTL (P=0.002). For heat tolerance, significant differences were seen for EM (44.3°) vs. CTL (47.4°C; P<0.001) and CM (44.8°C) vs CTL (P=0.001). The main effect of body region (head vs arm) was not significant for heat pain (F(1,57)=3.8; P=0.057) or heat tolerance (F(1,57)=0.4; P=0.525). The interaction of body region was not significant for heat pain (F(2,57)=0.6; P=0.561) or heat tolerance (F(2,57)=0.1; P=0.945).

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