TABLE 3

Voice Abnormality: Univariate Associations With Birth and Intubation Characteristics

CharacteristicGrade of HoarsenessP Value
Normal-MildModerate-Severe
n = 28n = 39
Gestational age at birth, wk24(24–24; 22–24)24(23–24; 22–24).206
Birth weight, g660(569–728; 470–885)625(574–686; 445–790).392
Male gender18(64)14(36).022
Total intubations
 1–523(82)16(41).001
 >55(18)23(59)
Maximum tube size, mm
 2.518(64)15(39).037
 3.0/3.510(36)24(61)
Maximum ETT ratio4.0(3.6–4.5; 3.2–5.3)4.2(4.0–4.5; 3.6–7.2).160
Total ETT duration, d33(17–42; 2–70)44(33–61; 17–92).006
  • Data represent median (interquartile range; range) or n (%), as appropriate.