Table 3.

Work impairment and health care use by the level of dyspnea

	Lower dyspnea (n=523)	Higher dyspnea (n=245)	P-value
	Mean (SD)	Mean (SD)
Work impairment, % (N = L and H dyspnena)
Absenteeism (178 and 58)	12.5 (26.5)	13.9 (26.1)	0.732
Presenteeism (168 and 56)	31.9 (29.6)	38.0 (27.9)	0.170
Overall work impairment (178 and 58)	37.7 (34.1)	43.7 (32.8)	0.240
Activity impairment (%)	42.3 (31.3)	64.8 (27.1)	<0.001
Health care use (prior to 6 months)
HCP visits	9.0 (8.41)	10.20 (9.52)	0.082
ER visits	0.39 (1.57)	0.50 (1.33)	0.326
Hospitalizations	0.27 (0.68)	0.36 (0.84)	0.112

Abbreviations: ER, emergency room; H, higher; HCP, health care provider; L, lower; SD, standard deviation.