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Table 1 Patient demographics

From: Prenatal ultrasound exposure and association with postnatal hearing outcomes

Dependent variable All patients (n=100) Pass both (n=50) Fail at least one ear (n=50)
GA birth 255.9 (95%CI +/−43.5) 244.66 (95%CI +/− 41.0) 267.08 (95%CI +/−34.2)
US 1st trimester 0.9 (95%CI +/− 2.2) 1.02 (95%CI +/− 2.2) 0.82 (95%CI +/−2.1)
US 2nd trimester 1.84 (95%CI +/− 2.8) 2.10 (95%CI +/− 3.4) 1.58 (95%CI +/−1.9)
US 3rd trimester 5.01 (95%CI +/−7.1) 6.66 (95%CI +/−6.1) 3.36 (95%CI +/−6.6)
US total 7.77 ((95%CI +/−8.9) 9.78 (95%CI +/− 8.1) 5.76 (95%CI +/− 8.0)
McNeil Sjostrom score 2.73 (95%CI +/−) 2.86 (95%CI +/−1.5) 2.60 (95%CI +/− 2.1)
ASA score 1.38 (95%CI +/− 1.3) 1.48 (95%CI +/− 1.4) 1.28 (95%CI +/− 1.6)
Maternal substance abuse 0.14 (95%CI +/− 0.1) 0.14 (95%CI +/− 0.7) 0.14 (95%CI +/− 0.7)
Perinatal hypoxia 0.09 (95%CI +/−0.6) 0.10 (95%CI +/-0.6) 0.08 (95%CI +/− 0.5)
Otologic abnormalities none none none
Familial history of hearing loss none none none
Prenatal ototoxic medication 0.02 (95%CI +/− 0.3) none 0.04 (95%CI +/− 0.4)
Postnatal ototoxic medication 0.13 (95%CI +/− 0.7) 0.14 (95%CI +/− 0.7) 0.12 (95%CI +/− 0.64)
Apgar 1 7.38 (95%CI +/− 3.7) 6.84 (95%CI +/− 4.3) 7.92 (95%CI +/− 2.6)
Apgar 5 8.28 (95%CI +/− 2.7) 7.92 (95%CI +/− 3.2) 8.64 (95%CI +/− 2.0)
maternal age at birth 27.79 (95%CI +/− 13.0) 27.94 (95%CI +/− 13.1) 27.64 (95%CI +/− 13)