Table 3.

Treatment and outcome

	Treatment Group (n = 16)	Control Group (n = 12)	P value
Initial sPAP (mm Hg)	104.19 mm Hg (78–194.79 mm Hg)	90.4 mm Hg (75.3–159.29 mm Hg)	0.86
Sildenafil dose (mg/kg)	1.54 mg/kg (1.00–2.98 mg/kg)	1.84 (0.66–2.93 mg/kg)	0.91
Other therapy	Antibiotics = 7/16	Antibiotics = 7/12	1.00
	Airway dilators = 3/16	Airway dilators = 4/12	0.75
	Diuretics = 3/16	Diuretics = 1/12	0.33
Clinical status	Improved, still tachypneic = 5/9	Improved, still tachypneic = 6/9	0.92
	Improved seems normal = 3/9	Improved seems normal = 2/9	0.88
	Worsened = 1/9	Worsened = 1/9	1.00
Reduction in sPAP	22.02 mm Hg (range 1.5–103.66 mm Hg)	24.70 mm Hg (18–53 mm Hg)	0.89
Survival time	102 days Range (1–390 days)	44.5 days (1–378 days)	0.51