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Table 1 Dependents variables to evaluate the primary and secondary outcomes.

From: Randomized controlled trial of pulse methyl prednisolone × placebo in treatment of pulmonary involvement associated with severe leptospirosis. [ISRCTN74625030]

Primary outcome Mortality
Secondary outcomes Evolution of lung disease
  Nosocomial respiratory infection
  Duration of mechanical ventilation
  Duration of intensive care unit stay
  Duration of hospital stay
  Occurrence of other infection-related complications
  Other respiratory complications
  Adverse effects of methylprednisolone