Table 3 Health-related quality of life scores, adjusted mean values (± SD) – GOLD criteria
From: Health-related quality of life is related to COPD disease severity
Scale | FEV1 % predicted | ||||
|---|---|---|---|---|---|
≥ 80% Stage I n = 26 | 79-50% Stage II n = 91 | 49-30% Stage III n = 33 | < 30% Stage IV n = 9 | p-value (all stages) | |
SF-36 PCS | 42(12) | 42(12) | 40(10) | 29(12) | 0.0059 |
SF-36 MCS | 55(8) | 51(11) | 52(12) | 48(18) | 0.19 |
SGRQ Total | 25(20) | 32(20) | 36(20) | 53(23) | 0.0005 |
EQ-5D VAS | 73(21) | 65(24) | 62(21) | 37(28) | 0.0001 |
EQ-5D index | 0.84(0.15) | 0.73(0.23) | 0.74(0.25) | 0.52(0.26) | 0.0008 |