Table 2

Improvement by Ginkgo biloba and clonazepam (n=38, patients, %)

Loudness (dB SL)Loudness VASDuration/dayAnnoyanceTHI
Ginkgo biloba
 Improvement ≥2/32 (5.3)1 (2.6)1 (2.6)2 (5.3)6 (15.8)
 1/3 ≤ improvement <2/33 (7.9)3 (7.9)2 (5.3)4 (10.5)4 (10.5)
 Improvement <1/33 (7.9)5 (13.2)2 (5.3)9 (23.7)11 (28.9)
 No change or aggravation30 (78.9)29 (76.3)33 (86.8)23 (60.5)17 (44.7)
Clonazepam
 Improvement ≥2/321 (55.3)9 (23.7)10 (26.3)15 (39.5)15 (39.5)
 1/3 ≤ improvement <2/34 (10.5)8 (21.1)10 (26.3)8 (21.1)3 (7.9)
 Improvement <1/33 (7.9)8 (21.1)4 (10.5)7 (18.4)5 (13.2)
 No change or aggravation10 (26.3)13 (34.2)14 (36.8)8 (21.1)15 (39.5)
  • SL, sensation level; THI, Tinnitus Handicap Inventory; VAS, visual analogue scale.