Fig. 2. Liability associated with injuries in 1990 and later obstetric claims (n = 426). White bars = proportion of payment by all parties. Hatched bars = proportion of payment on behalf of anesthesiologist. Black bars = proportion of substandard care. Median payment by all parties is shown in 2007 dollars above bars showing payments. Missing data are excluded from payment proportions and amounts  1 . Claims with maternal and newborn injury (n = 7) were excluded from statistical comparisons between these groups. *  P < 0.001 compared to same dependent variable in maternal death/brain damage group. Bonferroni correction was used for multiple comparisons. Proportions compared by z test; payment amounts compared by Kolmogorov-Smirnov test.