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Relation between malpractice claims and adverse events due to negligence. Results of the Harvard Medical Practice
A R Localio1, A G Lawthers, T A Brennan
1Center for Biostatistics and Epidemiology, Penn State University College of Medicine, Hershey 17033.
Background And Methods:
By matching the medical records of a random sample of 31,429 patients hospitalized in New York State in 1984 with statewide data on medical-malpractice claims, we identified patients who had filed claims against physicians and hospitals. These results were then compared with our findings, based on a review of the same medical records, regarding the incidence of injuries to patients caused by medical management (adverse events).
Results:
We identified 47 malpractice claims among 30,195 patients' records located on our initial visits to the hospitals, and 4 claims among 580 additional records located during follow-up visits. The overall rate of claims per discharge (weighted) was 0.13 percent (95 percent confidence interval, 0.076 to 0.18 percent). Of the 280 patients who had adverse events caused by medical negligence as defined by the study protocol, 8 filed malpractice claims (weighted rate, 1.53 percent; 95 percent confidence interval, 0 to 3.2 percent). By contrast, our estimate of the statewide ratio of adverse events caused by negligence (27,179) to malpractice claims (3570) is 7.6 to 1. This relative frequency overstates the chances that a negligent adverse event will produce a claim, however, because most of the events for which claims were made in the sample did not meet our definition of adverse events due to negligence.
Conclusions:
Medical-malpractice litigation infrequently compensates patients injured by medical negligence and rarely identifies, and holds providers accountable for, substandard care.
Insights
Medical malpractice claims rarely compensate patients for injuries caused by negligence. Most claims do not involve substandard care, indicating a flawed system for accountability.
Area of Science:
- Medical Law and Ethics
- Patient Safety
- Healthcare Quality Improvement
Background:
- Medical errors and adverse events are significant concerns in healthcare.
- The current medical malpractice system's effectiveness in addressing these issues is debated.
Purpose of the Study:
- To investigate the relationship between medical negligence, adverse events, and malpractice claims.
- To assess the compensation and accountability provided by the medical malpractice system for injured patients.
Main Methods:
- A random sample of 31,429 hospitalized patients in New York State (1984) was matched with medical malpractice claims data.
- Medical records were reviewed to identify adverse events resulting from medical management and negligence.
Main Results:
- The study identified 51 malpractice claims among the sampled patient records.
- Only 8 out of 280 patients experiencing adverse events due to negligence filed malpractice claims (1.53%).
- The estimated statewide ratio of negligent adverse events to malpractice claims was 7.6:1, with most claims not meeting the negligence criteria.
Conclusions:
- Medical malpractice litigation infrequently compensates patients injured by medical negligence.
- The system rarely identifies or holds healthcare providers accountable for substandard care.