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Table 3 Correlations of ITMAIS-m with LEAQ, PTA and age

From: Modification and verification of the Infant–Toddler Meaningful Auditory Integration Scale: a psychometric analysis combining item response theory with classical test theory

  n Mean (SD)/Median (IQR) ITMAIS-m Mean (SD)/Median (IQR) r (95% CI) p
Correlations with LEAQ 93 7.9(6.6) 25.5(20.2) 0.932(0.903 to 0.958) < 0.001
Correlations with PTA (dB HL)
 0–3 months 37 51.5(34.6) 13.9(8.7) − 0.670(− 0.527 to − 0.790) < 0.001
 3–6 months 207 55.7(35.1) 20.5(13.6) − 0.719(− 0.666 to − 0.771) < 0.001
 6–9 months 89 53.9(33.6) 32.6(19.2) − 0.794(− 0.710 to − 0.862) < 0.001
 9–16 months 80 71.4(41.1) 36.9 (31.6) − 0.909(− 0.866 to − 0.945) < 0.001
 16–24 months 37 73.7(37.5) 31.9(31.6) − 0.801(− 0.699 to − 0.886) < 0.001
Correlations with age (m)
 Normal (m) 77 5.1(4.6) 43.0(18.6) 0.776(0.620–0.883) < 0.001
 Mild (m) 49 6.9(4.3) 43.1(23.6) 0.831(0.769–0.902) < 0.001
 Moderate (m) 160 6.8 (4.1) 30.8(19.6) 0.624(0.482–0.763) < 0.001
 Severe (m) 54 7.4(5.4) 14.2(8.1) 0.380(0.084–0.650) 0.005
 Profound (m) 110 6.9(9.0) 3.1(4.0) 0.092(− 0.099–0.298) 0.337
  1. SD standard deviation, IQR interquartile range, r correlation coefficient, CI confidence interval, ITMAIS-m modified Infant–Toddler Meaningful Integration Scale, LEAQ LittlEARS Auditory Questionnaire, PTA pure-tone average threshold of the better ear