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. 2017 Jul 26;14(8):838. doi: 10.3390/ijerph14080838

Table 1.

Presentation of the temperature values (°C) of the analyzed body regions and the comparison between the mean or median temperature of the hands (right and left) as the use of the knife by workers.

Without Knife
Dorsal Surface Innervation Minimum Maximum Mean/Median p #
R L R L R L
Finger 1 Median 22.3 ± 5.1 22.3 ± 5.4 24.9 ± 5.9 24.6 ± 6.0 26.6 25.3 0.652
Finger 2 Median 21.6 ± 5.4 21.6 ± 5.3 23.4 ± 6.0 23.6 ± 6.0 23.1 24.5 0.916
Finger 3 Median 21.7 ± 5.6 21.6 ± 5.3 23.3 ± 6.1 23.7 ± 6.0 23.0 24.8 0.447
Finger 4 Median/ulnar 21.8 ± 5.7 21.5 ± 5.3 23.5 ± 6.2 23.7 ± 6.0 24.8 25.3 0.209
Finger 5 Ulnar 21.4 ± 5.5 21.0 ± 5.2 23.0 ± 6.2 23.5 ± 5.9 23.9 25.0 0.560
Ulnar region Ulnar 22.7 ± 3.8 23.0 ± 4.0 26.8 ± 3.1 27.0 ± 3.5 25.6 25.5 0.200
Median region Median 22.1 ± 3.8 22.6 ± 4.0 28.6 ± 2.4 28.8 ± 2.6 25.9 26.6 0.142
Palmar Surface
Finger 1 Median 22.3 ± 5.0 22.2 ± 4.9 23.7 ± 5.2 23.4 ± 5.1 25.1 24.8 0.266
Finger 2 Median 21.5 ± 4.9 21.2 ± 4.8 22.7 ± 5.2 22.8 ± 5.2 22.7 23.1 0.564
Finger 3 Median 21.5 ± 4.9 21.6 ± 4.9 22.6 ± 5.0 22.9 ± 5.0 22.6 23.4 0.512
Finger 4 Median/ulnar 21.3 ± 5.0 21.5 ± 4.8 22.6 ± 5.2 22.7 ± 5.1 23.5 23.0 0.702
Finger 5 Ulnar 21.1 ± 5.0 21.4 ± 5.0 22.2 ± 5.3 22.8 ± 5.1 22.9 23.4 0.505
Ulnar region Ulnar 23.5 ± 4.0 23.8 ± 4.2 27.5 ± 3.6 27.5 ± 3.8 26.5 27.0 0.739
Median region Median 23.1 ± 4.1 23.2 ± 4.3 30.0 ± 2.3 30.1 ± 2.3 27.7 27.6 0.793
With Knife
Dorsal Surface Innervation Minimum Maximum Mean/Median p #
R L R L R L
Finger 1 Radial 22.6 ± 4.8 21.1 ± 4.6 25.0 ± 5.6 23.3 ± 5.2 22.4 21.7 <0.001 *
Finger 2 Median 21.3 ± 5.3 19.8 ± 4.6 22.8 ± 5.9 21.8 ± 5.2 19.6 19.3 0.009 *
Finger 3 Median 21.2 ± 5.3 19.3 ± 5.0 22.8 ± 5.8 21.1 ± 5.3 20.1 19.5 <0.001 *
Finger 4 Median/ulnar 21.0 ± 5.4 19.3 ± 5.1 22.6 ± 6.0 21.2 ± 5.5 19.9 19.4 0.002 *
Finger 5 Ulnar 21.0 ± 5.1 18.5 ± 4.5 22.3 ± 5.8 20.3 ± 5.1 19.4 17.4 <0.001 *
Ulnar region Ulnar 23.2 ± 3.5 21.2 ± 3.4 28.7 ± 2.3 27.8 ± 2.7 26.1 ± 2.8 24.9 ± 3.0 0.001 *
Radial region Radial 22.8 ± 3.4 20.8 ± 3.1 30.5 ± 1.7 29.6 ± 1.8 27.3 ± 2.3 26.1 ± 2.2 <0.001 *
Palmar Surface
Finger 1 Median 22.7 ± 4.8 21.1 ± 4.3 24.1 ± 5.1 22.8 ± 4.6 22.1 21.1 <0.001 *
Finger 2 Median 21.5 ± 4.8 20.5 ± 4.3 22.7 ± 5.1 21.9 ± 4.5 20.2 20.2 0.021 *
Finger 3 Median 21.3 ± 4.8 19.9 ± 4.3 22.6 ± 5.0 21.2 ± 4.4 21.3 19.6 0.001 *
Finger 4 Median/ulnar 21.1 ± 4.8 20.0 ± 4.3 22.3 ± 5.2 21.3 ± 4.5 20.1 19.2 0.035 *
Finger 5 Ulnar 21.0 ± 4.9 19.4 ± 4.4 22.1 ± 5.2 20.6 ± 4.6 19.7 18.7 0.001 *
Ulnar region Ulnar 24.9 ± 3.7 22.8 ± 3.8 29.6 ± 2.8 28.3 ± 3.3 27.7 ± 3.1 26.2 ± 3.4 <0.001 *
Median region Median 24.5 ± 3.9 21.8 ± 3.5 31.7 ± 1.9 31.0 ± 1.9 28.6 ± 2.7 27.2 ± 2.6 <0.001 *

# p-Value refers to comparison of the average temperatures of the body regions between the right and left hands; Wilcoxon test—presented median; Student’s t test—mean and standard deviation; * p < 0.05; R—right; L—left.