Table 2. Pre- and Post-Intervention Means for Selected Outcomes Pre-Intervention Post-Intervention Z P-Value Outcome Mean (S.D.) No. Mean (S.D.) No. Quarters Quarters U Test Incident 394.8 (52.9) 25 837.6 31 -5.1 <.0001 Reports1 (338.7) Patient 0.20 (0.6) 25 9.6 (4.7) 31 -6.5 <.0001 Consults1 Event 0.7 (1.2) 25 19.6 (11.2) 31 -6.4 <.0001 Analyses1 Claims1 8.8 (3.9) 25 5.1 (3.3) 30 3.4 .0007 Lawsuits1 4.5 (2.0) 25 2.4 (1.6) 23 .0002 Legal fees $554,221 25 $98,017 23 -4.2 <.0001 & expenses1 ($687,339) ($180,110) ($)2 Settlement $3,379,561 25 $1,670,979 23 -2.8 .005 amount1 ($3,290,139) ($3,889,852) ($)2 $3,933,781 25 $1,768,996 23 -3.3 .001 Liability ($3,580,458) ($4,042,765) Cost1,2 Lawsuits 0.58 (0.32) 25 0.39 (0.23) 23 -2.0 0.05 per claim
Table 2. Pre- and Post-Intervention Means for Selected Outcomes Outcome Pre-Intervention Post-Intervention Z P-Value Mean (S.D.) No. Quarters Mean (S.D.) No. Quarters U Test Incident Reports1 394.8 (52.9) 25 837.6 (338.7) 31 -5.1 <.0001 Patient Consults1 0.20 (0.6) 25 9.6 (4.7) 31 -6.5 <.0001 Event Analyses1 0.7 (1.2) 25 19.6 (11.2) 31 -6.4 <.0001 Claims1 8.8 (3.9) 25 5.1 (3.3) 30 3.4 .0007 Lawsuits1 4.5 (2.0) 25 2.4 (1.6) 23 .0002 Legal fees & expenses1 ($)2 $554,221 ($687,339) 25 $98,017 ($180,110) 23 -4.2 <.0001 Settlement amount1 ($)2 $3,379,561 ($3,290,139) 25 $1,670,979 ($3,889,852) 23 -2.8 .005 Liability Cost1,2 $3,933,781 ($3,580,458) 25 $1,768,996 ($4,042,765) 23 -3.3 .001 Lawsuits per claim 0.58 (0.32) 25 0.39 (0.23) 23 -2.0 0.05