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Table 3 Vibration perception thresholds in patients with carpal tunnel syndrome (CTS) sub-divided according to Padua

From: Vibration thresholds in carpal tunnel syndrome assessed by multiple frequency vibrometry: a case-control study

Index finger 8 Hz 16 Hz 32 Hz 64 Hz 125 Hz 250 Hz 500 Hz
Mild CTS (n = 11) 108.5[4.5] 116.2[10.0] 119.1[9.1] 109.0[11.9] 109.8[8.2] 117.8[10.2] 132.4[9.5]
Controls (n = 11) 99.4[6.3] 108.2[8.5] 107.8[7.3] 101.0[3.9] 97.2[9.6] 108.3[14.3] 125.3[17.1]
P-value 0.011 0.041 0.006 0.008 0.016 0.050 0.062
Moderate CTS (n = 55) 108.9[5.3] 115.6 [4.3] 117.3[7.8] 109.0[11.6] 110.5[10.7] 120.4[12.3] 133.9[15.4]
Controls (n = 55) 105.8[6.0] 113.3 [7.5] 113.6[5.0] 104.9[7.4] 102.8[9.8] 110.2[11.3] 125.9[12.7]
P-values 0.009 0.010 0.001 0.001 < 0.001 < 0.001 0.003
  1. Vibration perception thresholds are expressed in dB. Data are median [IQR]. P-values are based on Wilcoxon’s signed-rank test
  2.  Values in italics represent statistically significant differences