| Non-exposed (n = 34) | Exposed (n = 76) | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Vascular stage | p value | Sensorineural stage | p value | |||||||
Stage 0 (n = 35) | Stage 1 (n = 19) | Stage 2 (n = 22) | Stage 0 (n = 25) | Stage 1 (n = 38) | Stage 2 (n = 13) | |||||
Age | 40.7 ± 10.3 | 47.5 ± 8.8 | 49.3 ± 9.3 | 52.2 ± 6.8 | < 0.01 | 47.1 ± 9.5 | 49.7 ± 7.7 | 52.5 ± 8.2 | < 0.01 | |
Total exposure |  | 225.6 ± 112.8 | 242.4 ± 106.0 | 244.2 ± 87.4 | < 0.01 | 197.1 ± 103.1 | 252.7 ± 98.4 | 257.4 ± 105.3 | < 0.01 | |
Daily exposure |  | 5.2 ± 2.9 | 6.7 ± 2.2 | 4.8 ± 3.2 | < 0.01 | 5.7 ± 2.9 | 5.1 ± 3.0 | 6.2 ± 2.5 | < 0.01 | |
Non-smoker | 22 (64.7) | 24 (68.6) | 13 (68.4) | 11 (50.0) | 0.505 | 20 (80.0) | 22 (57.9) | 6 (46.2) | 0.160 | |
Smoker | 12 (35.3) | 11 (31.4) | 6 (31.6) | 11 (50.0) | Â | 5 (20.0) | 16 (42.1) | 7 (53.8) | Â | |
Diabetes | No | 30 (88.2) | 35 (100) | 19 (100) | 22 (100) | 0.037 | 25 (100) | 38 (100) | 13 (100) | 0.032 |
 | Yes | 4 (11.8) | – | – | – |  | – | – | – |  |
Hypertension | No | 31 (91.2) | 31 (88.6) | 16 (84.2) | 20 (90.9) | 0.864 | 23 (92.0) | 32 (84.2) | 12 (92.3) | 0.771 |
 | Yes | 3 (8.8) | 4 (11.4) | 3 (15.8) | 2 (9.1) |  | 2 (8.0) | 6 (15.8) | 1 (7.7) |  |
Dyslipidemia | No | 34 (100) | 35 (100) | 19 (100) | 21 (95.5) | 0.373 | 25 (100) | 37 (97.4) | 13 (100) | 1.000 |
 | Yes | – | – | – | 1 (4.5) |  | – | 1 (2.6) | – |  |