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Table 1 Demographic Characteristics of Participants Aged 60 Years or Older With Audiometric Testing. The degree of hearing loss was classified based on the pure tone average thresholds (PTA) of the better and worse ear

From: A parsimonious approach for screening moderate-to-profound hearing loss in a community-dwelling geriatric population based on a decision tree analysis

  Community A (n = 1261) Community B (n = 532)
Better-hearing ear Worse-hearing ear Better-hearing ear Worse-hearing ear
NH (n = 18) HL (n = 1243) NH (n = 9) HL (n = 1252) NH (n = 84) HL (n = 448) NH (n = 33) HL (n = 499)
Sex
 Male 6 (33.3%) 540 (43.4%) 5 (55.6%) 541 (43.2%) 30 (35.7%) 294 (34.4%) 8 (24.2%) 176 (35.3%)
 Female 12 (66.7%) 703 (56.6%) 4 (44.4%) 711 (56.8%) 54 (64.3%) 154 (65.6%) 25 (75.8%) 323 (64.7%)
Age group
 60–69 8 (44.4%) 526 (42.3%) 4 (44.4%) 530 42.0%) 51 (60.7%) 118 (26.2%) 25 (75.8%) 144 (28.9%)
 70–79 9 (50%) 609 (49%) 4 (44.4%) 614 (49.3%) 22 (26.2%) 127 (28.3%) 6 (18.2%) 143 (28.7%)
 ≥ 80 1 (5.6%) 108 (8.8%) 1 (11.2%) 108 (8.7%) 11 (13.1%) 203 (45.4%) 2 (6.0%) 212 (42.4%)
Hearing symmetry
 Symmetrical PTA 18 (100%) 1197 (96.3%) 9 (100%) 1206 (96.3%) 79 (94%) 402 (89.7%) 33 (100%) 447 (89.6%)
 Asymmetrical PTA 0 46 (3.7%) 0 46 (3.7%) 5 (6%) 46 (10.3%) 0 52 (10.4%)
Hearing severity based on the WHO standard
 Mild (PTA 26~40 dB HL)   598 (47.4%)   360 (28.8%)   202 (38%)   169 (33.9%)
 Moderate (PTA 41~70 dB HL)   576 (45.7%)   725 (57.9%)   176 (33.1%)   191 (38.3%)
 Severe (PTA 71~90 dB HL)   61 (4.8%)   135 (10.8%)   60 (11.3%)   90 (18.0%)
 Profound (PTA > 90 dB HL)   8 (0.6%)   32 (2.5%)   10 (1.9%)   49 (9.8%)