Table 2 Association of severity of peripheral hearing loss with incident cognitive impairment.

From: The risk of cognitive impairment associated with hearing function in older adults: a pooled analysis of data from eleven studies

PTA level

Studies#

RR (95% CI)

P heterogeneity

I 2

≤25 dB HL

—

1, reference

—

—

26–40 dB HL

314,20,29

1.19 (0.96, 1.48)

0.23

31%

41–70 dB HL

114

3.00 (1.43, 6.30)

—

—

>70 dB HL

114

4.94 (1.09, 22.40)

—

—

  1. Abbreviations: CI = confidence interval, PTA = pure-tone average, RR = relative risk, dB HL = decibels hearing level.
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