Table 1 Baseline characteristics of the participants
Characteristic | Total (n = 1226) no. (%) | Patients Training Set (n = 613) no. (%) | Patients Testing Set (n = 613) no. (%) | P-value |
|---|---|---|---|---|
Age Group (years) | ||||
 60–69 | 446 (36.4) | 225 (36.7) | 221 (36.1) | 0.919 |
 70–79 | 494 (40.3) | 248 (40.5) | 246 (401) | |
 80–89 | 286 (23.3) | 140 (22.8) | 146 (23.8) | |
Gender | ||||
 Female | 634 (51.7) | 315 (51.4) | 319 (52) | 0.819 |
 Male | 592 (48.3) | 298 (48.6) | 294 (48) | |
Severity of hearing loss | ||||
 Slight hearing loss (26–40 dB HL) | 449 (36.6) | 221 (36.1) | 228 (37.2) | 0.819 |
 Moderate hearing loss (41–60 dB HL) | 485 (39.6) | 240 (39.2) | 245 (40.0) | |
 Severe hearing loss (61–80 dB HL) | 292 (23.8) | 152 (24.8) | 140 (22.8) | |
Related symptoms | ||||
 Tinnitus | 431 (35.2) | 226 (36.9) | 205 (33.4) | 0.209 |
 Cognitive impairment | 358 (29.2) | 173 (28.2) | 185 (30.2) | 0.451 |
 Movement disorders | 350 (28.5) | 162 (26.4) | 188 (30.7) | 0.100 |
Underlying diseases | ||||
 Diabetes mellitus | 691 (48.2) | 301 (49.1) | 390 (47.3) | 0.530 |
 Cerebrovascular diseases | 248 (20.2) | 120 (19.6) | 128 (20.9) | 0.570 |
 Hypertension | 607 (49.5) | 298 (48.6) | 309 (50.4) | 0.530 |
 Disorders of lipoprotein metabolism | 485 (39.6) | 253 (41.3) | 232 (37.8) | 0.220 |
 Depressive episode | 52 (4.2) | 31 (5.1) | 21 (3.4) | 0.156 |
 Hearing aid fitting | 241 (19.7) | 119 (19.4) | 122 (19.9) | 0.829 |