Table 1

Effect of posture on oxygenation and respiratory muscle strength (study A)

SupineSupine with 45° head up tiltProne
Data are represented as median (range) of the mean values from each of the infants.
Pimax: supine v prone p<0.001; 45° tilt v prone p<0.001.
Sao2: prone v supine p<0.001; 45° tilt v supine p<0.001.
Pimax, Maximum inspiratory pressure; Sao2, oxygen saturation.
Pimax (cm H2O)79.1 (46.2–118.2)76.5 (46.4–113.1)67.8 (39.7–90.0)
Sao2 (%)96 (94–99)98 (96–100)98 (95–100)