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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)