Table 4

 Time course and outcome in empirical treatment failure

VariableFailureNo failurep valueRR (95% CI)
Mean (SD) clinical stability (days)11.1 (8.6)4.1 (3.5)0.001
Complications (%)69.623.60.0017.4 (5.5 to 9.9)
Renal insufficiency (%)21.56.70.0013.8 (2.6 to 5.5)
Cardiac insufficiency (%)18.27.0.0012.9 (1.9 to 4.3)
Liver disease (%)4.21.10.0013.9 (1.8 to 8.8)
Shock (%)15.81.70.00111 (6.9 to 17.8)
Respiratory insufficiency (%)45.810.50.0017.2 (5.3 to 9.7)
ICU admission (%)26.23.90.0018.6 (6 to 12.5)
Mean (SD) length of stay (days)18.5 (13.9)9.4 (5.7)<0.001
Death (%)25.22.010.00116 (11 to 24.6)