Fig. (3)
Group A (saline N): Standard pharmacotherapy +normal saline 0.9% (5ml) nebulizer /8hr.
Group B(H saline N): Standard pharmacotherapy + hypertonic saline 3% (5ml) nebulizer /8hr
Group C((saline IV):Standard pharmacotherapy + normal saline 0.9% (500ml) intravenous /24hr
Group D(H saline IV?): Standard pharmacotherapy + hypertonic saline 3% (500ml) intravenous /24hr
Bar chart between groups according to duration of mechanical ventilation.