Variables associated with use of symptomatic medication during a headache attack in individuals with tension-type headache: a European study

Table 6 Differences in pressure pain thresholds (PPT, kPa) in individuals with tension-type headache depending on the time when the symptomatic medication intake (n = 136)

	Temporalis muscle^a	C5-C6 zygapophyseal joint	Second metacarpal^a	Tibialis anterior muscle ^a
Early medication (n = 58)
Right side	231.5 (201.4, 261.6)	228.4 (192.3, 264.5)	268.7 (237.5, 299.9)	449.7 (385.5, 513.9)
Left side	202.4 (176.7, 228.1)	219.9 (186.4, 253.4)	257.6 (227.6, 287.6)	441.7 (376.8, 506.6)
Late medication (n = 78)
Right side	194.5 (176.2, 212.8)	185.4 (167.5, 203.3)	232.8 (212.3, 253.3)	358.2 (322.0, 394.4)
Left side	183.0 (167.0, 199.0)	180.5 (162.8, 198.2)	227.3 (207.3, 247.3)	359.5 (324.3, 394.7)

Values are expressed as means (95% confidence interval)
^a Significant differences between both groups (2-two way ANOVA test, P < 0.025)

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