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. 2017 Mar 20;12(3):e0174109. doi: 10.1371/journal.pone.0174109

Table 2. Descriptive statistics of auditory stimuli (Mean±SD).

Dimension Painful voices Non-painful voices t (df = 58) p
Pain intensity 6.02±1.19 2.65±0.87 11.404 <0.001
Valence 6.64±0.71 5.74 ±1.24 3.442 0.001
Arousal 5.25±0.49 5.30±0.41 -0.420 0.676
Duration (ms) 817.17±87.55 809.07±81.50 0.371 0.712

Note. Mean and SD values for painful and non-painful voices, and p-values associated with an independent samples t-test on the differences between groups.