Table 4.

Distribution of Visits for the Top 15 PRINS Diagnostic Clusters

Rank OrderPercentage of Visits, Weighted
Diagnostic ClusterPRINSNAMCSPRINSNAMCS Mean (95% CI)
PRINS = Primary Care Network Survey; NAMCS = National Ambulatory Medical Care Survey; CI = confidence interval.
Routine health maintenance1115.911.2 (10.6–11.8)
Upper respiratory infection226.97.1 (6.7–7.5)
Hypertension336.06.5 (6.2–6.9)
Otitis media445.43.4 (3.2–3.6)
Diabetes mellitus553.63.0 (2.8–3.2)
Depression or anxiety692.22.0 (1.9–2.1)
Asthma7112.11.7 (1.6–1.8)
Rhinitis8122.11.6 (1.4–1.9)
Sinusitis961.92.9 (2.6–3.1)
Hyperlipidemia1081.92.1 (1.9–2.3)
Lower respiratory infection11171.71.3 (1.1–1.4)
Eczema12161.61.4 (1.3–1.6)
Peptic disease13151.41.5 (1.4–1.6)
Pregnancy-related14301.30.6 (0.5–0.8)
Nonfungal skin infection15271.30.8 (0.7–0.9)