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. Author manuscript; available in PMC: 2019 Aug 12.
Published in final edited form as: Respir Med. 2019 Jan 24;148:6–12. doi: 10.1016/j.rmed.2019.01.008

Table 2.

Frequency of frailty based on the severity of individual variables

Variable
(n, %)		 Not Frail
n (%)		 Frail
n (%)
FVC
(median 67.5% predicted)		 FVC ≥67.5% predicted (25, 50) 17 (68) 8 (32)
FVC <67.5% predicted (25, 50) 10 (40) 15 (60)
FVC ≥50% predicted (43, 86) 25 (58.1) 18 (41.9)
FVC <50% predicted (7, 14) 1 (14.3) 6 (85.7)
DLCO
(median 52% predicted)		 DLCO ≥52% predicted (26, 52) 16 (61.5) 10 (38.5)
DLCO <52% predicted (24, 48) 10 (41.7) 14 (58.3)
DLCO ≥35% predicted (40, 80) 25 (62.5) 15 (37.5)
DLCO <35% predicted (10, 20) 1 (10) 9 (90)
Functional limitations
(median 4.5)		 <4.5
(25, 50)		 15 (60) 10 (40)
≥4.5
(25, 50)		 11 (44) 14 (56)
Number of Comorbidities
(median 6)		 <4
(7, 14)		 3 (42.9) 4 (57.1)
≥4
(43, 86)		 23 (53.5) 20 (46.5)

Abbreviations: DLCO=diffusion capacity; FVC=forced vital capacity