TABLE 4

Performance of Diagnostic Testing Based on CPG Specific Recommendations

GroupHospitals, n (%)Patients, n% ReceivedPaOR (95% CI)Pb
CBC count
 No CPG28 (68.3)13 26550.3<.0001Ref
 CPG: obtain test6 (14.6)266057.21.3 (0.7–2.4).37
 CPG: do not obtain6 (14.6)334039.40.6 (0.4–1.0).06
 CPG: test not mentioned1 (2.4)44572.12.6 (1.9–3.5)<.001
Serum electrolytes
 No CPG28 (68.3)13 26528.8.46Ref
 CPG: obtain test2 (4.9)50429.61 (0.5–2.1).92
 CPG: do not obtain0 (0.0)
 CPG: test not mentioned11 (26.8)594128.01 (0.5–1.8).90
Blood culture
 No CPG28 (68.3)13 26541.8<.0001Ref
 CPG: obtain test6 (14.6)281840.91 (0.5–1.7).90
 CPG: do not obtain5 (12.2)291624.90.5 (0.1–1.7).24
 CPG: test not mentioned2 (4.9)71160.92.2 (1.1–4.4).03
C-reactive protein
 No CPG28 (68.3)13 26517.6<.0001Ref
 CPG: obtain test2 (4.9)123550.64.8 (2.3–10.2)<.0001
 CPG: do not obtain4 (9.8)18698.20.4 (0.1–1.8).24
 CPG: test not mentioned7 (17.1)334113.10.7 (0.3–1.9).50
Viral testing (RSV, influenza)
 No CPG28 (68.3)13 26528.0<.0001Ref
 CPG: obtain test3 (7.3)95438.71.6 (1–2.6).04
 CPG: do not obtain3 (7.3)232115.50.5 (0.2–1.5).19
 CPG: test not mentioned7 (17.1)317025.50.9 (0.4–2.1).76
CXR
 No CPG28 (68.3)13 26563.6<.0001Ref
 CPG: obtain test8 (19.5)437460.50.9 (0.6–1.4).57
 CPG: do not obtain0 (0.0)
 CPG: test not mentioned5 (12.2)207161.30.9 (0.6–1.4).66
  • RSV, respiratory syncytial virus; —, no patients.

  • a P values comparing differences in proportion of patients receiving testing based on specific mention in the CPG are unadjusted and aggregate (combining across hospitals).

  • b P values are adjusted for hospital clustering.