Table 2.

Characteristics of patients and prescriptions

	Pre-CPOE (N=5016)	Post-CPOE (N=5153)
Patient age (≥65 years)	597 (11.9%)	729 (14.2%)***
Female	2887 (57.6%)	3086 (59.9%)*
Prescriber specialty
Internal medicine	1843 (36.7%)	2347 (45.6%)***
Family practice	1255 (25.0%)	1296 (25.2%)
Pediatrics	492 (9.8%)	407 (7.9%)**
Walk-in clinic	475 (9.5%)	345 (6.7%)*
Specialty	836 (16.7%)	646 (12.5%)***
All others	115 (2.3%)	112 (2.2%)
Therapeutic drug class
Antibiotics	1180 (23.5%)	746 (14.5%)***
Antidepressants	257 (5.1%)	296 (5.7%)
Central nervous system agents	402 (8.0%)	568 (11.0%)***
Hormones	278 (5.5%)	370 (7.2%)***
Schedule II–V	1004 (20.0%)	960 (18.6%)
All others	1895 (37.8%)	2213 (43.0%)***
Geographic site
Clinic site A	1420 (28.3%)	1691 (32.8%)***
Clinic site B	1741 (34.7%)	2053 (39.8%)***
Clinic site C	1450 (28.9%)	1087 (21.1%)***
All other clinic sites	405 (8.1%)	322 (6.3%)***

^*p<0.05

^**p<0.005

^***p<0.001 when compared to pre-CPOE.

CPOE, computerized provider order entry.