General surgeons are among the doctors most likely to be the subjects of paid malpractice claims.
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Just 1 percent of doctors are linked to nearly one-third of all paid malpractice claims, an analysis by researchers at Stanford finds. And the physicians who account for an outsize share of the claims have a set of distinctive characteristics.
The researchers said that the claim-prone physicians were disproportionately male (82 percent) and were older, rather than younger. More than half the claims were by doctors in four areas: internal medicine, obstetrics and gynecology, general surgery and general practice/family medicine.
But the biggest predictor of all for claim-prone doctors was whether they'd had a prior claim.
"Compared to physicians with only one previous claim," Studdert said, "a physician who has had three previous claims is three times as likely to have another one," said lead author David Studdert, a professor of medicine and law at Stanford. "A physician who has had four is four times more likely and so on."
In the study, published in the latest issue of the New England Journal of Medicine, researchers looked at more than 66,000 malpractice claims paid against 54,000 physicians nationwide between 2005 and 2014.
The researchers focused on paid, rather than unpaid, claims, because those are markers for substandard care. About 1 in 3 malpractice claims is ultimately paid. In the claims the researchers reviewed, one-third resulted in patient death and another 54 percent in serious injury.
The study noted that only 6 percent of doctors had any paid claims over the 10-year period studied.
In the study the researchers are clear that they have identified risk factors but that it's up to health care systems, hospital and malpractice insurers to identify and work with these doctors. "This problem of physicians who accumulate multiple claims and continue to practice ... is a significant policy problem and one that we need to address," Studert said.
But he and his colleagues noted that few of these organizations do. "With notable exceptions," the researchers write, "fewer still systematically identify and intervene with practitioners who are at high risk for future claims."
The authors of the paper call for further investigation into predicting which doctors are at risk and then implementing interventions such as training and supervision to improve their quality of care.
In California, patients can look up their doctor on the state's medical board website. Depending on the type of malpractice settlement, it will be part of the public record if the doctor has had either three or four settlements within a five-year period. Other information is also available, including whether your doctor has had a felony conviction or is on probation. Patients can use the website simply to determine that a doctor's license is valid.
But advocates like Lisa McGiffert, with Consumers Union's Safe Patient Project, say that's not enough. They have been pushing the Medical Board of California to require that doctors placed on probation notify their patients. The board has resisted taking this step.
While probation and multiple malpractice claims are not necessarily linked, McGiffert says she hopes doctors will pay attention to this study. "I have this sense that doctors as a group protect other doctors who are on probation or get in trouble because they think it might happen to them," she said. But since this study demonstrates that a small percentage of doctors are responsible for a disproportionate number of claims, it should be reassuring to physicians.
"This study is one more piece of information that regulators can use in determining their strategy in addressing the small percentage of doctors who have problems in their treatment of patients," McGiffert said.