Table 3. Mean (SD) hospital admission rates per 10 000 patients for the four year period 1993-7  Singlehanded practices Partnerships Chronic care management   Asthma 70.9 (72.2) 59.3 (41.3) Epilepsy 33.8 (40.9) 28.7 (26.3) Diabetes 41.2 (38.2) 38.1 (24.2) Avoidable admissions   Ear, nose, and throat infections 31.7 (30.1) 30.9 (16.9) Urinary tract infection, renal abscess, and pyelonephritis 43.2 (32.8) 43.7 (26.6) Congestive cardiac failure 73.7 (52.3) 69.0 (39.5) Inappropriate surgery   Grommet 29.1 (31.3) 29.6 (14.7) Dilatation and curettage in women under 40 years* 16.0 (19.4) 14.9 (10.9) Health outcomes   Teenage pregnancies (age 13-19) 46.7 (53.0) 38.0 (27.3) * Denominator is number of women under 40 years. Denominator is number of female patients aged 13 to 19 years.