Table 2.

Correlation coefficients between the pain sensitivity index scores used for hierarchical cluster analysis.

	Pressure Pain	Heat Pain	Temporal Summation of Heat Pain	Cold Pain	Temporal Summation of Punctate Pain
Pressure Pain	**
Heat Pain	0.50	**
Heat Temporal Summation	−0.15	−0.21	**
Cold Pain	0.38	0.26	−0.14	**
Punctate Temporal Summation	−0.31	−0.33	0.20	−0.20	**