TABLE 1.

National Rates of Hospital-Reported Medical Errors in Children per 100 Pediatric Hospital Admissions and Stratification by ICD-9 Coded Type of Errors

1988199119941997
No. of pediatric patients per year572 884629 476555 446725 410
Rate of errors per 100 pediatric admissions1.81 (1.69, 1.93)*2.67 (2.42, 2.93)2.96 (2.70, 3.23)2.63 (2.31, 2.99)
ICD-9 codeDescription
995.2Drug errors0.13 (0.12, 0.14)0.09 (0.08, 0.10)0.07 (0.07, 0.08)0.03 (0.02, 0.04)
996Procedural complications (Includes mechanical complications of devices, implants, and grafts)0.61 (0.55, 0.67)1.02 (0.88, 1.18)1.21 (1.03, 1.42)1.10 (0.92, 1.30)
997Complications affecting a specified body system (Includes complications referent to a specific organ or organ system)0.38 (0.34, 0.42)0.69 (0.60, 0.79)0.80 (0.73, 0.87)0.73 (0.62, 0.86)
998Other procedural complication (Includes complications referent to a specific cause)0.66 (0.63, 0.70)0.88 (0.83, 0.94)0.92 (0.86, 0.97)0.82 (0.74, 0.89)
999Medical care complications (Includes complications that are not referent to a specific system or cause)0.11 (0.10, 0.12)0.14 (0.12, 0.16)0.15 (0.13, 0.17)0.15 (0.12, 0.17)
  • * Data are represented as point estimates (95% confidence intervals).