Table 2.

Differences between temperature averages of the right and left hands of the two groups.

	Without Knife (n = 48)					With Knife (n = 58)
Regions of the Hand	Dorsal Surface
	$\Delta$T	$\Delta$T > 1 °C †		$\Delta$T > 0.3 °C ‡		$\Delta$T	$\Delta$T > 1 °C †		$\Delta \mathbf{T}$ > 0.3 °C ‡
	$\overline{\mathbf{X}}$ ± s	n	%	n	%	$\overline{\mathbf{X}}$ ± s	n	%	n	%
Finger 1	1.1 ± 1.1	22	45.8	39	81.3	3.0 ± 2.7	46	79.3	54	93.1
Finger 2	1.6 ± 1.6	24	50.0	39	81.3	2.5 ± 2.6	37	63.8	54	93.1
Finger 3	1.4 ± 2.0	19	39.6	40	83.3	3.1 ± 3.0	43	74.1	55	94.8
Finger 4	1.3 ± 1.8	19	39.6	36	75.0	3.0 ± 2.9	39	67.2	50	86.2
Finger 5	1.5 ± 2.0	19	39.6	37	77.1	3.2 ± 3.4	37	63.8	54	93.1
Ulnar region	1.0 ± 1.2	17	35.4	36	75.0	2.1 ± 1.9	39	67.2	53	91.4
Radial region	1.0 ± 0.9	17	35.4	36	75.0	1.8 ± 1.5	34	58.6	54	93.1
Total	1.3 ± 1.6	137	40.8	263	78.3	2.7 ± 2.7	275	67.7	374	92.1
	Palmar Surface
Finger 1	1.1 ± 0.9	22	45.8	38	79.2	2.7 ± 2.5	38	65.5	53	91.4
Finger 2	1.5 ± 1.5	26	54.2	39	81.3	2.2 ± 2.4	35	60.3	48	82.8
Finger 3	1.2 ± 1.7	19	39.6	39	81.3	2.6 ± 2.5	37	63.8	56	96.6
Finger 4	1.3 ± 1.9	19	39.6	38	79.2	2.7 ± 2.4	36	62.1	55	94.8
Finger 5	1.5 ± 1.9	21	43.8	43	89.6	2.6 ± 3.0	35	60.3	52	89.7
Ulnar region	1.0 ± 0.9	15	31.3	41	85.4	2.2 ± 2.2	39	67.2	48	82.8
Median region	0.9 ± 0.8	14	29.2	40	83.3	1.9 ± 1.7	37	63.8	51	87.9
Total	1.2 ± 1.4	136	40.5	278	82.7	2.4 ± 2.4	257	63.3	363	89.4

∆T—Difference between temperatures averages of the hands (right and left); ^† Criterion of 1.0 °C established by Hong et al. [35]; ^‡ Criterion of 0.3 °C established by Brioschi et al. [36].