VSCs (ppb) | No. of total bacteria (CFU) | No. of oral Veillonella- positive subjects (%, frequency) | No. of oral Veillonella species (CFU) | ||||
Total | H2S | CH3SH | (CH3)2S | ||||
Healthy subjects without halitosis (n = 50) | 78.2 | 65.8 | 8.2 | 4.2 | 1.43 × 107* | 50 (100) | 3.97 × 106* |
Halitosis subjects (n = 50) | 812.6 | 772.3 | 24.6 | 15.7 | 5.21 × 107* | 50 (100) | 2.58 × 107* |