Table 2.
Respiratory Diagnoses Made When CDSS Was Used During 27-Month Study Period
| Diagnoses | ICD-9-CM codes | Adults | Children | ||
|---|---|---|---|---|---|
| % of all respiratory diagnoses (# of diagnoses) | Practice range (%) | % of all respiratory diagnoses (# of diagnoses) | Practice range (%) | ||
| Allergic rhinitis | 477 | 4.2 % (1,140) | 0.9–7.9 | 2.1 % (339) | 0.8–7.3 |
| Asthma | 493 (excluding 493.81) | 4.6 % (1,223) | 0–9.7 | 2.1 % (336) | 0–8.5 |
| Bronchitis or bronchiolitis | 466, 490 | 14.5 % (3,895) | 11.6–30.1 | 5.2 % (832) | 2.5–13.0 |
| COPD exacerbation | 491.21, 491.22 | 1.9 % (510) | 0–8.7 | 0 | NA |
| Influenza | 480.2, 487, 488 | 1.8 % (489) | 0.4–3.5 | 2.8 % (440) | 0–5.0 |
| Laryngitis or tracheitis | 464.0, 464.1, 464.2, 464.5 | 0.5 % (133) | 0–3.1 | 1.1 % (166) | 0–3.2 |
| Non-suppurative otitis media | 381 | 1.5 % (407) | 0–4.3 | 1.0 % (163) | 0–4.8 |
| Pharyngitis or tonsillitis (non-streptoccocal) | 462, 463, 465.0, 472.1, 472.2, 474.00, 474.02 | 8.1 % (2,172) | 3.5–16.4 | 10.5 % (1,657) | 7.7–27.5 |
| Pneumonia | 136.3, 481, 482, 483, 484.3, 484.5, 484.8, 486 | 3.4 % (920) | 0.4–6.1 | 1.0 % (157) | 0–4.2 |
| Sinusitis | 461, 473 | 25.1 % (6,733) | 7.8–31.7 | 4.8 % (764) | 0.6–17.5 |
| Streptococcal pharyngitis | 034, 041.0 | 4.9 % (1,316) | 1.5–8.2 | 10.6 % (1,675) | 1.9–18.2 |
| Suppurative otitis media | 382 | 2.1 % (571) | 0.9–7.3 | 19.0 % (3,021) | 7.5–23.8 |
| URI | 460, 465.8, 465.9 | 27.4 % (7,350) | 17.4–39.9 | 39.8 % (6,316) | 21.3–47.9 |
CDSS clinical decision support system, COPD chronic obstructive pulmonary disease, URI upper respiratory infection
The International Classification of Diseases, 9th Revision, Clinical Modification (ICD-9-CM) codes were either included in the database diagnoses lists or derived by the PPRNet algorithms (see text)