Table 2 Unadjusted analysis of the physical and mental component score (PCS-12 and MCS-12) of the SF-12 at time of spirometry, seven years before and three years later
Total | No COPD | COPD grade 1 | COPD grade 2+ | p-valuea | |
|---|---|---|---|---|---|
PCS-12 | |||||
S4 (−7 years) | 48.87 (8.22) | 49.05 (8.03) | 48.09 (8.50) | 44.84 (11.85) | 0.002 |
F4 (baseline) | 48.57 (8.66) | 48.75 (8.52) | 47.83 (9.60) | 44.23 (10.30) | 0.004 |
F4L (+3 years) | 48.45 (8.64) | 48.59 (8.61) | 47.88 (8.79) | 44.16 (8.74) | 0.029 |
MCS-12 | |||||
S4 (−7 years) | 50.65 (9.14) | 50.63 (9.13) | 50.24 (8.37) | 51.83 (10.66) | 0.607 |
F4 (baseline) | 50.72 (9.22) | 50.70 (9.25) | 50.44 (8.81) | 51.98 (9.02) | 0.672 |
F4L (+3 years) | 51.57 (9.32) | 51.61 (9.26) | 50.75 (9.59) | 51.40 (11.21) | 0.799 |