Table 2

 Effect of laboratory results on decision times

Time from the sample being sent to the laboratory to decision made to discharge or refer
SampleMean number of minutes (N, SD)Mean difference (95% CI, p)
Discharged patients
Intervention group
    Before109.4 (92, 57.1)28.2 (13.5 to 42.8, <0.001)
    After81.2 (84, 40.4)
Control group
    Before134.4 (101, 85.4)−2.6 (−27.0 to 21.7, 0.83)
    After137.1 (106, 92.0)
Admitted patients
Intervention group
    Before50.4 (132, 61.5)−2.5 (−18.4 to 13.4, 0.76)
    After52.9 (90, 57.2)
Control group
    Before52.1 (137, 75.9)4.6 (−11.7 to 21.0, 0.58)
    After47.5 (137, 61.0)