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Table 2 Demographic and clinical characteristic at baseline

From: Clinical trial on tonal tinnitus with tailor-made notched music training

  Treatment Placebo p-value
Mean (SD) Mean (SD)
Number 50 50  
Age (years) 47.68 (9.94) 47.13 (11.70) .737
Gender (f/m) 17/33 16/34 .834
Hearing loss (dB)a 41.10 (20.26) 44.60 (21.54) .405
Tinnitus frequency (Hz)b 5406 (1731) 5458 (1519) .921
tinnitus pitch SD (Hz)b 1341 (1202) 1333 (1181) .855
Time since tinnitus onset (years) 7.03 (7.25) 8.95 (6.80) .175
THQ total score 24.95 (16.92) 28.51 (16.41) .288
THQ emotional and cognitive distress 20.95 (19.61) 22.85 (20.20) .635
VAS total score 42.83 (21.71) 44.71 (19.28) .647
VAS loudness 50.70 (23.19) 48.86 (22.23) .686
VAS handicap 28.58 (22.26) 31.36 (22.30) .534
VAS annoyance 39.70 (26.18) 40.32 (22.27) .899
VAS awareness 52.32 (24.58) 58.30 (21.57) .199
THI 24.10 (14.96) 26.96 (16.92) .373
TQ 19.12 (10,62) 25.28 (13.82) .014
ADSL 7.80 (6.29) 9.38 (7.27) .248
SCL-90-R 0.29 (0.28) 0.36 (0.34) .218
GüF 8.62 (5.59) 10.58 (7.43) .139
  1. m = male, f = female, Hz = Hertz, dB = decibel, Tinnitus pitch SD = standard deviation of ten tinnitus pitch measurements before training
  2. amaximum hearing loss in a frequency range ½ of an octave above and below the individual tinnitus frequency; bCent values retransformed into Hz to allow better interpretation