From: Health-related quality of life is related to COPD disease severity
Scale | FEV1 % predicted | ||||
---|---|---|---|---|---|
≥ 80% Stage 0 n = 26 | 79-60% Stage I n = 63 | 59-40% Stage II n = 47 | < 40%Stage III n = 23 | p-value (all stages) | |
SF-36 PCS | 42(12) | 43(11) | 40(13) | 35(11) | 0.032 |
SF-36 MCS | 55(8) | 50(10) | 54(11) | 50(15) | 0.29 |
SGRQ Total | 25(20) | 32(20) | 34(19) | 45(22) | 0.0023 |
EQ-5D VAS | 73(21) | 68(20) | 60(28) | 50(25) | 0.0007 |
EQ-5D index | 0.84(0.15) | 0.74(0.21) | 0.72(0.28) | 0.63(0.25) | 0.0041 |