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Table 2 Baseline demographic and physiological data of registry pilot phase (4 sites)

From: Australasian interstitial lung disease registry (AILDR): objectives, design and rationale of a bi-national prospective database

Variable All sites Royal Prince Alfred Hospital John Hunter Hospital Fiona Stanley Hospital The Alfred Hospital
Number of participants 1061 511 204 188 158
Mean age, years (SD) 68.3 (±12.5) 67.9 (±12.9) 73.9 (±10) 64.9 (±12.7) 66.5 (±11.4)
Male (% total) 532 (54.7) 287 (56.4) 96 (47.1) 46 (44.6) 103 (65.6)
Mean FVC, % predicted (SD) a 79.1 (±20.4) 77.7 (±19.8) 91.4 (±21.3) 82.9 (±23.9) 81.2 (±22.9)
Mean DLCO, % predicted (SD) a 58.5 (±17.9) 60.8 (±17.8) 52.5 (±16.3) 58.7 (±22.9) 59 (±21.5)
Mean 6MWT distance, metres (SD) a 456.3 (±120.7) 438.8 (±127.5) 394.6 (±83.2) 432.9 (±125.9) 444.4 (±124.5)
Mean 6MWT nadir SpO2, % (SD) a 91.2 (±6.9) 91.8 (±7.3) 86.2 (±6.2) 89.8 (±6.3) 86.3 (±6.4)
  1. Abbreviations: SD Standard deviation, FVC Forced vital capacity, DLCO Diffusing capacity for carbon monoxide, 6MWT six minute walk test, SpO2 oxygen saturations
  2. aPercentages calculated on non-missing data