Table 4 Predictors of nasal injury.

From: RAM cannula with Cannulaide versus Hudson prongs for delivery of nasal continuous positive airway pressure in preterm infants: an RCT

Independent variables

Nasal injury

No nasal injury

aOR (95% CI)

p value

Gestation weeksa

31.4 ± 1.85

31.4 ± 1.68

0.82 (0.59–1.15)

0.16

Birth weight (g)a

1489 ± 388

1516 ± 355

1 (0.999–1.002)

0.26

Antenatal steroid coverageb

35 (94.6)

190 (99)

6.73 (0.53–86.5)

0.14

Hudson group as interfaceb

31 (83.7)

86 (44.8)

11.6 (3.89–34.6)

< 0.0001

SNAPPE II scorec

5 (5–5)

5 (0–5)

0.95 (0.87–1.04)

0.25

SAS at enrolmentc

5 (5–6)

5 (5–6)

1.25 (0.69–2.25)

0.45

Duration of CPAP (h)c

30 (12–76.5)

22 (12–40)

0.97 (0.96–0.98)

< 0.0001

FiO2 requirement at the start of CPAPc

0.3 (0.3–0.3)

0.3 (0.3–0.3)

1.002 (0.88–1.13)

0.98

Maximum FiO2 requirementc

0.3 (0.3–0.35)

0.3 (0.3–0.3)

1.005 (0.93–1.08)

0.91

  1. aOR adjusted odds ratio, CI confidence interval, SNAPPE II score for neonatal acute physiology with perinatal extension II, SAS Silverman Anderson score, CPAP continuous positive airway pressure, FiO2 fraction of inspired oxygen.
  2. aMean (standard deviation).
  3. bn (%).
  4. cMedian (inter quartile range).
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