Table 2

Comparison of respiratory function monitor outcome data before and after training

OutcomeBefore
n=412
After
n=412
P value
Leak (%), median (IQR), overall31 (10–69)10 (6–18)<0.0001
Leak (%), median (IQR), by professional group
Midwife*39 (12–72)10 (7–17)
Nurse†34 (10–73)10 (5–17)
Doctor‡19 (9–65)10 (6–17)
Student/other§29 (10–65)14 (9–24)
Expiratory Vt (mL), mean (SD), overall15.3 (5.7)19.0 (2.6)<0.0001
Expiratory Vt (mL), mean (SD), by professional group
Midwife*15.1 (5.9)19.2 (2.4)
Nurse†14.6 (6.1)19.0 (3.1)
Doctor‡16.1 (5.1)18.8 (2.5)
Student/other§15.0 (6.1)18.6 (2.3)
PIP (cmH20), mean (SD)18.7 (1.7)19.3 (0.7)<0.0001
PEEP (cmH20), mean (SD)4.3 (0.8)4.8 (0.6)<0.0001
Ventilation rate (inflations/min), mean (SD)39 (11)45 (6)<0.0001
  • *n=128.

  • †n=104.

  • ‡n=134.

  • §n=46.

  • PEEP, positive end-expiratory pressure; PIP, peak inspiratory pressure; Vt, tidal volume.