TABLE 2.

Patient ages (years) by drug

Drug	Mean ± SD All age groups	Mean ± SD ≤65	Mean ± SD >65
Formoterol	68.60±14.00	48.19±12.17	75.04±6.18
Form-Budes	68.83±13.97	48.25±11.80	75.17±6.45
Ipratropium	70.91±13.31	51.09±10.87	76.66±6.87
Iprat-Salbut	71.23±13.42	50.57±10.76	76.82±7.12
Salmeterol	69.67±13.56	51.48±11.57	76.07±6.65
Salmet-Flut	68.66±14.69	47.48±12.25	75.62±6.48
Tiotropium	73.59±9.23	55.68±8.20	75.94±6.33
All	70.21±13.17	50.39±11.09	75.90±6.58

Formot-Budes Formoterol and budesonide; Iprat-Salbut Ipratropium and salbutamol; Salmet-Flut Salmeterol and fluticasone