TABLE 2

Surgical lung biopsy (SLB) details for patients with interstitial lung disease by hospital surgical volume

OverallQuartile 1
(1–34 SLBs per year)
Quartile 2
(35–73 SLBs per year)
Quartile 3
(74–143 SLBs per year)
Quartile 4
(144–258 SLBs per year)
Subjects3057782763818694
Open thoracotomy1158 (37.9)321 (41.1)273 (35.8)312 (38.1)252 (36.3)
Yearly hospital SLB volume73 (34–143)23 (13–30)50 (41–64)115 (96–137)208 (170–220)
Total hospital SLB volume1219 (462–2252)306 (219–514)655 (516–1219)1575 (1453–2252)2345 (2082–3681)

Data are shown as n, n (%) or median (interquartile range).