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Table 2 Health care resource utilization (annualized baseline and 12 month follow-up)

From: The economic burden of pulmonary arterial hypertension (PAH) in the US on payers and patients

  Final PAH study sample (N = 504)  
Baseline Follow-up p-value
  Mean SD Median Mean SD Median  
Health care utilization counts        
 Ambulatory visits 44.95 26.86 42.58 41.62 28.71 36.00 <0.001
   Office visits 26.17 18.74 22.31 24.63 18.01 21.00 0.010
   Outpatient visits 19.19 16.56 16.22 17.34 18.49 12.00 <0.001
 ER visits 1.56 2.95 0.00 1.55 3.17 0.00 0.032
 Inpatient stays 1.38 2.03 0.00 0.91 1.59 0.00 <0.001