Table 2.
FVC% | DLCO% | 6MWD | BDI | TrailsA | TrailsB | WMVP1 | WMVP2 | DVtime | DVerror | Animal | Clock | GAD | PHQ | FSS | PSQI | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
FVC% | 1.0 | 0.44 | 0.44 | 0.22 | −0.11 | 0.10 | 0.33 | 0.24 | 0.33 | −0.16 | −0.11 | 0.31 | −0.34 | −0.25 | −0.11 | −0.54* |
DLCO% | - | 1.0 | 0.28 | 0.17 | −0.30 | −0.003 | 0.32 | 0.10 | −0.21 | −0.13 | −0.29 | 0.46 | −0.48 | −0.18 | −0.24 | −0.42 |
6MWD | - | - | 1.0 | 0.65† | 0.57* | 0.53* | −0.07 | −0.01 | 0.41 | 0.47* | −0.04 | 0.46 | −0.04 | −0.32 | −0.57* | −0.37 |
BDI | 1.0 | 0.35 | 0.47* | −0.36 | −0.22 | 0.55† | 0.34 | −0.33 | 0.13 | −0.12 | −0.26 | −0.54* | −0.10 | |||
TrailsA | - | - | - | - | 1.0 | 0.4* | 0.002 | 0.12 | 0.46* | 0.52* | 0.22 | 0.30 | −0.95 | −0.25 | −0.43* | −0.07 |
TrailsB | - | - | - | - | - | 1.0 | −0.22 | −0.02 | 0.35 | 0.19 | −0.08 | 0.23 | −0.15 | −0.30 | −0.30 | −0.35 |
WMVP1 | - | - | - | - | - | 1.0 | 0.87‡ | −0.19 | −0.15 | 0.37 | 0.38 | −0.51* | −0.26 | −0.01 | −0.09 | |
WMVP2 | - | - | - | - | - | - | 1.0 | 0.01 | 0.13 | 0.42 | 0.42 | −0.47* | −0.34 | −0.008 | −0.04 | |
DVtime | - | - | - | - | - | - | - | 1.0 | 0.40 | 0.06 | 0.21 | −0.18 | −0.35 | −0.34 | −0.13 | |
DVerror | - | - | - | - | - | - | - | - | 1.0 | 0.07 | 0.16 | 0.15 | −0.10 | −0.32 | 0.09 | |
Animal | - | - | - | - | - | - | - | - | - | 1.0 | 0.31 | −0.24 | −0.17 | 0.10 | 0.23 | |
Clock | - | - | - | - | - | - | - | - | - | - | 1.0 | −0.40 | −0.67† | −0.21 | −0.17 | |
GAD | - | - | - | - | - | - | - | - | - | - | - | 1.0 | 0.59† | 0.38 | 0.29 | |
PHQ | 1.0 | 0.53* | 0.59† | |||||||||||||
FSS | 1.0 | 0.37 | ||||||||||||||
PSQI | 1.0 |
p<0.05
p<0.01
p<0.0001
FVC%=percent predicted forced vital capacity; DLCO%=percent predicted diffusing capacity of the lung for carbon monoxide, 6MWD=distance walked during the six-minute walk test; BDI=Baseline Dyspnea Index; TrailsA=Trail Making Test Form A; TrailsB=Trail Making Test Form B; WMVP1=Wechsler Memory Scales-Third Edition Verbal Pairs 1; WMVP2=Wechsler Memory Scales-Third Edition Verbal Pairs 2; DVtime=Digit Vigilance Test Time; DVerror=Digit Vigilance Test Errors; Animal=Animal Fluency Test; Clock=Clock Drawing Test; GAD=General Anxiety Questionnaire; PHQ=Patient Health Questionnaire (8 items); FSS=Fatigue Severity Scale; PSQI=Total score from the Pittsburgh Sleep Quality Index