. 2016 Sep 12;9:641–652. doi: 10.2147/JPR.S109038

Table 2.

Mean ± SD warm and pain thresholds °C determined by staircase procedure in each group

Group (N)	Warm L face	Warm R face	Warm hand	Pain L face	Pain R face	Pain hand
Controls (47)	33.8±1.2^a	33.7±1.5^a	32.7±0.6^a	41.4±2.5^a	41.5±2.4^a	42.0±2.4^a
TMD-only (98)	33.7±1.4^a	33.9±1.5^a	32.9±1.0^a	42.7±2.3^b	42.0±2.3^a	42.3±2.2^a
TMD + FM (26)	35.0±2.7^b	34.8±2.0^b	33.1±1.0^a	42.6±2.1^b	42.6±2.4^a	41.7±2.4^a
Omnibus P-value	0.002	0.01	0.30	0.08	0.15	0.45

Note: Different superscript letters (a and b) indicate a statistical difference, P<0.05.

Abbreviations: FM, fibromyalgia; L, left; R, right; SD, standard deviation; TMD, temporomandibular disorders.