Probability of having any malpractice claim*
| Independent variable | Odds ratio | 95% confidence interval |
|---|---|---|
| *Logistic regression predicting any claim for 30288 physicians in Florida, Indiana, and Maryland during the period 1 January 1990 to 31 August 1997. | ||
| OB/GYN=obstetrics/gynecology; FP=family practice; IM=internal medicine. | ||
| Age (in years) | 3.95 | 2.71 to 5.75 |
| Age2 | 0.985 | 0.981 to 0.989 |
| Anesthesiology | 0.966 | 0.689 to 1.355 |
| OB/GYN | 3.14 | 2.42 to 4.07 |
| Surgical specialty | 3.08 | 2.40 to 3.96 |
| General surgery | 2.95 | 2.10 to 4.13 |
| Radiology | 1.77 | 1.31 to 2.37 |
| Emergency medicine | 1.55 | 1.06 to 2.25 |
| Primary care (FP, IM, pediatrics) | 1.22 | 0.99 to 1.49 |
| Percentage of medical school’s students in 3 states | 0.81 | 0.58 to 1.12 |
| Graduates of medical school outlier (<10th percentile) | 0.48 | 0.34 to 0.67 |
| Graduates of medical school outlier (>90th percentile) | 1.80 | 1.46 to 2.23 |