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. 2021 May 7;21:242. doi: 10.1186/s12903-021-01605-0

Table 1.

Comparison of EMG activity between SAOB and normal subjects in each clinical conditions

TA MM DA UO ME
SAOB
μV
Normal
μV
P SAOB
μV
Normal
μV
P SAOB
μV
Normal
μV
P SAOB
μV
Normal
μV
P SAOB
μV
Normal
μV
P
REST 1.53 (1.18, 2.23)a 1.03 (0.89, 1.21)a  < 0.001 0.93 (0.79, 1.36)a 0.80 (0.73, 1.05)a 0.134 0.95 (0.79, 1.34) 0.90 (0.88, 1.41) 0.424 1.10 (1.00, 1.45)a 0.90 (0.78, 1.30)a 0.470 4.60 (1.71, 7.20)a 1.38 (0.80, 2.16)a  < 0.001
ICP 37.3 (33.3, 59.2)a 86.2 (73.4, 103)a  < 0.001 27.5 ± 11.9b 83.1 ± 26.9b  < 0.001 4.68 ± 1.95 12.6 ± 7.42  < 0.001 2.30 (1.90, 2.83)a 2.50 (1.93, 3.20)a 0.481 4.93 (3.24, 7.35)a 5.45 (4.25, 7.20)a 0.104
LIP 1.93 (1.37, 2.61)a 1.23 (0.89, 1.86)a 0.024 1.38 (0.94, 1.96)a 0.90 (0.83, 1.21)a 0.05 1.48 (1.19, 3.25) 1.30 (0.98, 1.71) 0.118 14.0 (12.3, 18.0)a 4.30 (2.40, 7.05)a  < 0.001 17.7 ± 8.41b 6.80 ± 2.30b  < 0.001
SWA 2.58 (1.40, 3.25)a 2.53 (1.48, 4.91)a 0.913 3.20 (2.13, 5.15)a 3.20 (2.44, 4.91)a 0.719 7.85 (6.44, 10.6) 9.58 (7.84, 12.5) 0.214 25.4 (23.4, 26.9)a 9.95 (4.48, 11.7)a  < 0.001 30.0 (18.2, 48.1)a 12.6 (9.23, 17.8)a  < 0.001

Wilcoxon signed rank test was used for skew distribution data, t-test was used for normal distribution data, α = 0.05

TA, temporal muscle; MM, masseter muscle; DA, anterior digastric; UO, upper orbicularis; ME, mentalis muscle; REST, mandibular rest; ICP, maximum voluntary contraction in the intercuspal position; LIP, lip sealing; SWA, swallowing

aMedian (25%, 75%)

bMean ± standard deviation