- Newborn — 11.2 percent
- Non-specific chest pain — 3.5 percent
- Mood disorders — 3.5 percent
- Skin infections — 3.3 percent
- Alcohol-related disorders — 2.4 percent
- Diabetes mellitus with complications — 2.3 percent
- Substance-related disorders — 2.3 percent
- Pneumonia — 2.2 percent
- Hardening of the arteries —1.9 percent
- Perineal trauma due to childbirth — 1.9 percent
Source: AHRQ, Center for Delivery, Organization, and Markets, Healthcare Cost and Utilization Project, Nationwide Inpatient Sample, 1997 and 2006.