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Table 3 Healthcare utilisation in SSc by PAH status between 2008-2015

From: The economic burden of systemic sclerosis related pulmonary arterial hypertension in Australia

Characteristics per patientOverall
n (%) or mean±SD
Median (IQR)
PAH
n (%) or mean±SD
Median (IQR)
No PAH
n (%) or mean±SD
Median (IQR)
p-value
Hospitalisations
 Patient number923141782 
 % of patients admitted to hospital923/1128 (81.8%)141/153 (92.2%)782/975 (80.2%)<0.001
 Median admissions per patient (2008-2015)5 (2-11)5 (3-10)4 (2-11)<0.001
 Median annual hospital admissions per patient3.2 ± 6.44.4 ± 6.22.9 ± 6.4<0.001
 Mean annual1.7 (1-3.3)3 (1.7-4.5)1.6 (1-3) 
Average LOS per patient per admission2.1 (1.1-4.1)3.5 (1.8-4.9)1.9 (1.1-1.9)<0.001
 3.1 ± 3.13.9 ± 3.32.9 ± 3.1
Reason for admissiona
 1.Systemic sclerosis(10.9%)PAH (9.7%)Systemic sclerosis (7.8%) 
 2.Pneumonia (5.4%)Heart Failure (6.4%)Pneumonia (5.2%) 
 3.PVD (4.5%)Pneumonia (4.6%)PVD (3.7%) 
 4.Heart Failure (2.5%)Systemic sclerosisIron deficiency anaemia 
 5.Iron deficiency anaemia(4.1%)(2.4%) 
 (1.6%)Acute LRTI (2.3%)Chronic ulcer (1.4%) 
Emergency Department Presentations
 Patient number734122612 
 % of patients presenting to ED734/1128 (65.1%)122/153 (79.8%)612/975 (62.8%)<0.001
 Median presentation per patient (2008-2015)7 (3-12)9 (5-14)6 (2-12)<0.001
 Mean number8.9 ± 7.710.0 ± 6.88.6 ± 7.9<0.001
 Median annual presentations per patient2 (1-3)2 (1-4)2 (1-3)<0.001
 Mean annual presentations per patient2.6 ± 2.03.1 ± 2.32.5 ± 1.9<0.001
Top 5 reasons for ED presentation
 1.Chest pain (4.5%)Chest pain (4.9%)Chest pain (4.3%) 
 2Dyspnoea (2.5%)Dyspnoea (3.8%)Abdominal pain (2.6%) 
 3.Abdominal pain (2.4%)Acute LRTI (3.6%)Dyspnoea (2.1%) 
 4.Acute LRTI (2.2%)Lobar pneumonia (3.4%)Acute LRTI (1.8%) 
 5.Lobar pneumonia (2.1%)Intestinal obstruction (2.8%)Lobar pneumonia (1.8%) 
Medical Benefit Schedule (MBS)
 Patient number1,081151930 
 % of patients utilizing an MBS service1,081/1,128 (95.8%)151/153 (98.7%)930/975 (95.4%)0.05
 Median services utilized per patient (2008-2015)557 (378-863)761 (512-1,116)523 (352-1116)<0.001
 Mean number670.2 ± 451.6873.9 ± 502.6623.4 ± 425.5<0.001
 Median annual MBS services utilized per patient76 (47-125)108 (71-162)69 (43-113)<0.001
 Mean annual MBS services utilized per patient68.5 ± 56.9100.9 ± 61.863.3 ± 54.4<0.001
Top 5 MBS services utilized
 1.Pathology (42.9%)Pathology (47.8%)Pathology (41.8%) 
 2.Professional visit (30.1%)Professional visitProfessional visit (30.8%) 
 3.Allied Health (14.2%)(26.9%)Allied Health (14.2%) 
 4.Diagnostic imaging (5.4%)Allied Health (14.1%)Diagnostic imaging (5.5%) 
 5.Therapeutic procedures (4.4%)Diagnostic imaging (4.9%)Therapeutic procedures (4.5%) 
  Therapeutic procedures (3.9%)  
  1. Abbreviations: medical benefits schedule (MBS), length of stay (LOS), emergency department (ED), lower respiratory tract infection (LRTI), pulmonary arterial hypertension (PAH), peripheral vascular disease (PVD), patient (pt)
  2. athese hospital admissions are the most frequent admission diagnosis for admissions lasting more than one day in order avoid including recurring day admissions for intravenous infusions and haemodialysis
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