Table 1.
Baseline characteristics of the study population stratified by hearing level.
| Characteristics | Level | Not Better Ear (>25 dB) |
Better Ear (≤25 dB) |
SMD |
|---|---|---|---|---|
| Total Number | 111 | 178 | ||
| Age (mean (SD)) | 61.81 (10.52) | 49.31 (15.36) | 0.95 | |
| Height (mean (SD)) | 159.29 (8.73) | 163.73 (9.09) | 0.498 | |
| Weight (mean (SD)) | 62.54 (10.65) | 65.44 (14.09) | 0.232 | |
| BMI (mean (SD)) | 24.60 (3.53) | 24.28 (4.18) | 0.083 | |
| Sex (%) | Female | 63 (56.8) | 98 (55.1) | 0.034 |
| Male | 48 (43.2) | 80 (44.9) | ||
| Surgery Method | OC | 49 (44.1) | 64 (36.0) | 0.219 |
| ICW | 59 (53.2) | 105 (59.0) | ||
| IBM | 1 (0.9) | 1 (0.6) | ||
| Other | 2 (1.8) | 8 (4.5) | ||
| Surgery Direction (%) | Left | 56 (50.5) | 87 (48.9) | 0.031 |
| Right | 55 (49.5) | 91 (51.1) | ||
| Tinnitus (%) | No | 46 (41.4) | 97 (54.5) | 0.264 |
| Yes | 65 (58.6) | 81 (45.5) | ||
| Tinnitus Location (%) | Both | 16 (14.4) | 7 (3.9) | 0.42 |
| Left | 27 (24.3) | 35 (19.7) | ||
| None | 46 (41.4) | 98 (55.1) | ||
| Right | 22 (19.8) | 38 (21.3) | ||
| Smoker (%) | Current Smoker | 15 (13.5) | 33 (18.5) | 0.255 |
| Non-smoker | 87 (78.4) | 120 (67.4) | ||
| Ex-smoker | 9 (8.1) | 25 (14.0) | ||
| HTN (%) | Yes | 46 (41.4) | 38 (21.3) | 0.443 |
| No | 65 (58.6) | 140 (78.7) | ||
| DM (%) | Yes | 10 (9.0) | 21 (11.8) | 0.091 |
| No | 101 (91.0) | 157 (88.2) | ||
| Hyperlipidemia (%) | Yes | 11 (9.9) | 30 (16.9) | 0.205 |
| No | 100 (90.1) | 148 (83.1) | ||
| Stroke (%) | Yes | 2 (1.8) | 0 (0.0) | 0.192 |
| No | 109 (98.2) | 178 (100.0) | ||
| CKD (%) | Yes | 2 (1.8) | 3 (1.7) | 0.009 |
| No | 109 (98.2) | 175 (98.3) |
Body Mass Index, BMI; hypertension, HTN; diabetes mellitus, DM; chronic kidney disease, CKD. Standard mean deviation, SMD.