Reference values for spirometry in elderly individuals: a cross-sectional study of different reference equations

Table 4 Level of agreement for obstructive and spirometric restrictive pattern using GLI12 as a reference

GLI12		% Airway obstruction		% Spirometric restrictive pattern
	Age (years)	Female (n = 181)	Male (n = 79)	Female (n = 181)	Male (n = 79)
NHANES III	All	0.74^c	0.52^b	0.77^c	0.83^c
	65–75	0.77	1	0.88	1
	76–85	0.78	0.3	0.83	0.86
	86–95	0.69	0.37	0.57	0.65
ECSC93	All	0.09^a	0.52^b	0.3^a	0.64^c
	65–75	0.21	1	0.39	0.75
	76–85	0.11	0.25	0.26	0.54
	86–95	0.05	0.44	0.29	0.65

(Kappa statistic; ^a - 0–0.4: slight to fair; ^b - 0.41 – 0.60: moderate; ^c - 0.61–0.99: good to very good)

ISSN: 2049-6958