Table 2.

Post hoc analyses comparing baseline, post-PR, 6 months and 12 months variables

	Baseline	Post-PR	6 months	12 months
n	211	195	171	159
6MST	328.9±163	394.7±172.6***	396.5±196.6***	432.6±182.1***
TUG	10.4±5.9	9 2±7.3**	9.6±5.6£	9.3±5.4
10TSTS	32.3±19.1	27.1±14.3***	28.1±14.3*	28.6±14
HAD	17.3±7.3	14.5±7.3***	13.2±7.1***,££	13.9±7.5***,§
MRF 28	48.5±23.4	39.6±23***	373±23.5***	39.5±25***,§
VQ11	33.4±9.1	29.7±9.9***	27.7±9***,££	29.4±10.3***,§
VSRQ	32.8±15.5	40.1±16.4***	41.6±15.7***	39.6±16.1***,§

Notes: Data are expressed as mean ± standard deviation.

^*P<0.05,

^**P<0.001,

^***P<0.0001, statistical comparison with baseline values;

^£P<0.05 and

^££P<0.01, statistical comparison with post-PR values;

^§P<0.05, statistical comparison with 6 months values. Data are presented as mean ± standard.

Abbreviations: PR, pulmonary rehabilitation; 6MST, 6-minute stepper test (number of steps); TUG, Timed Up and Go; 10TSTS, ten times sit-to-stand test; HAD, Hospital Anxiety and Depression questionnaire; MRF 28, Maugeri Respiratory Failure 28; VSRQ, Visual Simplified Respiratory Questionnaire.