Abstract #139 Table 1

Comparison of work of breathing indices in supine (S) and CST position

SupineCar SeatP
Phase Angle, degree– mean (SEM) 74.6 (5.7) 48.9 (5.0) <0.001
Labor Breathing Index– mean (SEM) 1.5 (0.08) 1.2 (0.05) <0.01
Percent Rib Cage- mean (SEM) 44.53(1.7) 49.15 (0.05) <0.01
Heart Rate– beats per minute--mean (SEM) 157.67 (2.3) 159.55 (2.4) .33
Sp02,%-- mean (SEM) 97.13 (0.4) 95.65 (0.5) <0.01