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Table 1 Characteristics of study sample
| All years | 2010 | 2011 | 2012 | Jan – Jun 2013 | |
|---|---|---|---|---|---|
| Clinicians, n | 112 | 55 | 70 | 90 | 87 |
| Nurse practitioners, n (%)* | 19 (17) | 6 (11) | 8 (11) | 12 (13) | 15 (17) |
| Female, n (%) | 71 (63) | 32 (58) | 44 (63) | 56 (62) | 54 (62) |
| Attested for meaningful use, n (%)† | 42 (38) | 33 (60) | 42 (60) | 42 (47) | 41 (47) |
| Annual patients per clinician, median (Q1-Q3) | 791 (406-1269) | 968 (424-1336) | 896 (429-1341) | 758 (354-1337) | 521 (391-794) |
| Annual encounters per clinician, median (Q1-Q3) | 1357 (630-2287) | 1850 (840-2416) | 1695 (834-2562) | 1580 (508-2389) | 882 (511-1277) |
| Patient comorbidity score, median (Q1-Q3)‡ | 0.3 (0.2-0.4) | 0.3 (0.2-0.4) | 0.3 (0.2-0.4) | 0.4 (0.2-0.5) | 0.3 (0.2-0.4) |
| BPAs in use, total | 126 | 93 | 94 | 98 | 93 |
| Annual BPAs received per clinician, median (Q1-Q3) | 4227 (2057-6897) | 5265 (2739-7652) | 5075 (2602-8070) | 4310 (1756-7249) | 2486 (1625-3799) |
| Percent BPAs accepted per clinician, median (Q1-Q3) | 19.4 (11.8-28.5) | 18.6 (13.0-27.0) | 19.6 (12.6-30.0) | 20.9 (10.7-30.0) | 18.6 (10.4-26.0) |
| DDI/DAI alerts in use, total | 3213 | 2045 | 1599 | 1819 | 1364 |
| Annual alerts received per clinician, median (Q1-Q3) | 966 (407-1762) | 1116 (580-2169) | 1140 (547-2131) | 1231 (310-1831) | 622 (255-969) |
| Percent accepted per clinician, median (Q1-Q3) | 0.0 (0.0-0.3) | 0.0 (0.0-0.4) | 0.0 (0.0-0.4) | 0.0 (0.0-0.2) | 0.0 (0.0-0.2) |
