Table 2 Comparison of hearing loss between the 2 groups
Factor | Characteristics | Combined group(82/186) | Non-combined group(105/299) | χ2/t/Z | P |
|---|---|---|---|---|---|
Severity of hearing loss | Mild | 14(17.07) | 50(47.61) | 6.903 | 0.022 |
Moderate | 54(65.85) | 36(34.29) | |||
Severe | 14(17.07) | 19(18.10) | |||
Hearing threshold curve classification | Low-frequency hearing loss | 17(20.73) | 61(58.10) | 8.704 | 0.010 |
High-frequency hearing loss | 53(64.63) | 25(23.81) | |||
Flat hearing loss | 12(14.63) | 19(18.10) |