Table 2.
Characteristics of ISSNHL based on age groups (n = 759 ears, n (%)).
| Characteristics | Under-18 | 18-30 | 31-40 | 41-50 | 51-60 | 61-70 | over-70 | statistical values* | P |
|---|---|---|---|---|---|---|---|---|---|
| age group | age group | age group | age group | age group | age group | age group | |||
| (n = 19) | (n = 104) | (n = 120) | (n = 186) | (n = 175) | (n = 121) | (n = 34) | |||
| Male | 12 (63.2) | 58 (55.8) | 61 (50.8) | 105 (56.5) | 101 (57.7) | 53 (43.8) | 13 (38.2) | 10.869 | 0.092 |
| Female | 7 (36.8) | 46 (44.2) | 59 (49.2) | 81 (43.5) | 74 (42.3) | 68 (56.2) | 21 (61.8) | ||
| Unilateral hearing loss | 19 (100) | 100 (98.0) | 112 (96.6) | 174 (96.7) | 165 (97.1) | 119 (99.2) | 30 (93.8) | 4.214 | 0.583 |
| Bilateral hearing loss | 0 (0) | 2 (2.0) | 4 (3.4) | 6 (3.3) | 5 (2.9) | 1 (0.8) | 2 (6.3) | ||
| Accompanying symptoms | |||||||||
| Tinnitus | 18 (94.7) | 103 (99) | 119 (99.2) | 178 (95.7) | 170 (97.1) | 115 (95.0) | 33 (97.1) | 6.865 | 0.270 |
| Vertigo | 1 (5.3) | 9 (8.7) | 8 (6.7) | 26 (14.0) | 27 (15.4) | 17 (14.0) | 2 (5.9) | 9.559 | 0.144 |
| BPPV | 0 (0) | 2 (1.9) | 3 (2.5) | 4 (2.2) | 5 (2.9) | 6 (5.0) | 0 (0) | 2.853 | 0.797 |
| Audiogram curve types | |||||||||
| Ascending | 3 (15.8) | 18 (17.3) | 27 (22.5) | 19 (10.2) | 7 (4.0) | 4 (3.3) | 1 (2.9) | 41.007 | 0.000 |
| Descending | 1 (5.3) | 11 (10.6) | 16 (13.3) | 12 (6.5) | 16 (9.1) | 10 (8.3) | 0 (0) | 8.487 | 0.205 |
| Flat | 3 (15.8) | 31 (29.8) | 30 (25.0) | 69 (37.1) | 58 (33.1) | 52 (43.0) | 17 (50.0) | 16.945 | 0.009 |
| Profound | 10 (52.6) | 43 (41.3) | 46 (38.3) | 82 (44.1) | 92 (52.6) | 54 (44.6) | 16 (47.1) | 7.327 | 0.292 |
| Concave or convex | 2 (10.5) | 1 (1.0) | 1 (0.8) | 4 (2.2) | 2 (1.1) | 1 (0.8) | 0 (0) | 7.377 | 0.190 |
| Hearing level | |||||||||
| Mild | 5(26.3) | 19 (18.3) | 29 (24.2) | 27 (14.5) | 12 (6.9) | 8 (6.6) | 1 (2.9) | 31.690 | 0.000 |
| Moderate | 1 (5.3) | 14 (13.5) | 20 (16.7) | 25 (13.4) | 26 (14.9) | 13 (10.7) | 4 (11.8) | 3.268 | 0.775 |
| Moderate to severe | 1 (5.3) | 14 (13.5) | 10 (8.3) | 32 (17.2) | 27 (15.4) | 31 (25.6) | 8 (23.5) | 17.183 | 0.009 |
| Severe | 3 (15.8) | 24 (23.1) | 29 (24.2) | 42 (22.6) | 40 (22.9) | 32 (26.4) | 9 (26.5) | 1.540 | 0.957 |
| Profound | 9 (47.4) | 33 (31.7) | 32 (26.7) | 60 (32.3) | 70 (40.0) | 37 (30.6) | 12 (35.3) | 7.327 | 0.292 |
| comorbidities | |||||||||
| Hypertension | 2 (10.5) | 6 (5.8) | 11(9.2) | 36(19.4) | 56 (32) | 46 (38.0) | 17 (50.0) | 71.033 | 0.000 |
| Diabetes | 1 (5.3) | 0 (0) | 1 (0.8) | 12 (6.5) | 16 (9.1) | 10 (8.3) | 2 (5.9) | 17.561 | 0.007 |
| Abnormal blood coagulation | |||||||||
| High fibrinogen | 0 (0) | 4 (3.8) | 1 (0.8) | 4 (2.2) | 6 (3.4) | 8 (6.6) | 2 (5.9) | 7.991 | 0.185 |
| Reduced APTT | 0 (0) | 7 (6.7) | 4 (3.3) | 6 (3.2) | 17 (9.7) | 8 (6.6) | 1 (2.9) | 10.697 | 0.098 |
| Reduced PT | 0 (0) | 1 (1.0) | 3 (2.5) | 5 (2.7) | 4 (2.3) | 2 (1.7) | 0 (0) | 1.435 | 0.963 |
| High blood lipid | |||||||||
| High TC | 0 (0) | 24 (23.1) | 37 (30.8) | 74 (39.8) | 85 (48.6) | 51 (42.1) | 13 (38.2) | 33.624 | 0.000 |
| High TG | 0 (0) | 5 (4.8) | 24 (20.0) | 42 (22.6) | 32 (18.3) | 32 (26.4) | 9 (26.5) | 25.374 | 0.000 |
| Low HDL | 5 (26.3) | 35 (33.7) | 51 (42.5) | 81 (43.5) | 62 (35.4) | 56 (46.3) | 18 (52.9) | 10.247 | 0.115 |
| High LDL | 2 (10.5) | 32 (30.8) | 46 (38.3) | 87 (46.8) | 95 (54.3) | 52 (43.0) | 11 (32.4) | 27.354 | 0.000 |
*The Chi-squared test or Fisher’s exact test.