How stable is lung function in patients with stable chronic obstructive pulmonary disease when monitored using a telehealth system? A longitudinal and home-based study

Table 2 Monthly averages of FEV₁ compared to measurements at the baseline examination

Subject	Predicted value (L)	Baseline (L)	Home^a- First month		Home^a- Last month
Subject	Predicted value (L)	Baseline (L)	AM	PM	AM	PM
1	1.70	0.85	0.82	0.79	0.92	0.85
2	3.48	1.01	0.54	0.77	0.58	0.77
3	2.43	0.85	0.97	0.99	0.99	1.04
4	1.79	0.95	0.84	0.91	0.75	0.84
5	1.89	0.7	1.03	0.83	1.10	0.84
6	1.95	1.21	0.81	0.79	0.83	0.78
7	2.89	1.76	0.86	0.90	0.87	0.90
8	2.57	0.54	0.89	0.99	0.84	0.97
9	3.00	2.04	0.97	0.89	0.81	0.79
10	2.55	1.68	0.66	0.63	0.67	0.65
11	3.25	2.05	0.88	0.77	0.76	0.77
Mean (SD)	2.50 (0.61)	1.24 (0.55)	0.84 (0.14)	0.84 (0.11)	0.83 (0.14)	0.84 (0.11)

Values of home measurements are expressed as the ratio Home/Baseline (^a), where Home is the monthly average of AM and PM measurements, respectively

ISSN: 1472-6947