Fig 1.
Abbreviations: PFT: Pulmonary function test, KNHANES: Korean National Health and Nutrition Examination Survey.
Table 1.
Baseline characteristics of the study population.
Fig 2.
Association with handgrip strength and severity of European Quality of Life Scale-Five Dimensions (n = 18,708).
Abbreviations: EQ-5D: European Quality of Life Scale-Five Dimensions. £Level ‘1’: no problems, ‘2’: some problems, ‘3’: extreme problems. *P-value was adjusted by age and pulmonary function (normal, restrictive, and obstructive).
Fig 3.
Association with handgrip strength and Health-related Quality of Life Instrument with 8 Items (n = 3723).
£Level ‘1’: no problems, level ‘2’: mild, level ‘3’: moderate, level ‘4’: severe problems. *P-value was adjusted by age and pulmonary function (normal, restrictive, and obstructive).