Outcome Measure | CFS alone (n = 50) | CFS-MCS (n = 27) | CFS-FM (n = 18) | CFS-MCS-FM (n = 19) |
---|---|---|---|---|
Mean (Standard Deviation) | Â | Â | Â | Â |
MOS-SF-36 | Â | Â | Â | Â |
   Physical Functioning | 53.61 (25.05)a | 42.50 (19.66) | 40.56 (23.69) | 32.89 (19.95)a |
   Role-Physical | 4.69 (12.27) | 3.85 (11.60) | 4.17 (12.86) | 3.95 (12.54) |
   Bodily Pain | 49.83 (21.88)a,c | 40.62 (21.63)b | 30.00 (13.18)c | 21.58 (18.60)a, b |
   General Health | 36.65 (16.74)a | 28.75 (15.94) | 38.54 (16.62)b | 19.95 (32.24)a, b |
   Vitality | 20.73 (15.98) | 15.19 (12.84) | 19.72 (16.31) | 11.32 (9.84) |
   Social Functioning | 46.09 (25.15)a | 30.29 (21.84)a | 47.22 (23.70) | 30.26 (19.68) |
   Role-Emotional | 56.74 (45.00) | 47.44 (45.39) | 42.59 (35.80) | 57.89 (41.34) |
   Mental Health | 67.08 (16.30) | 55.85 (19.35) | 66.22 (14.79) | 62.11 (18.10) |
Brief COPE | Â | Â | Â | Â |
   Self Distraction | 2.30 (0.87)a, b | 2.91 (0.81)b | 2.89 (0.88) | 3.18 (0.65)a |
   Active Coping | 2.97 (0.84) | 3.15 (0.83) | 3.28 (0.73) | 3.10 (0.88) |
   Denial | 1.41 (0.85) | 1.28 (0.59) | 1.25 (0.35) | 1.32 (0.61) |
   Substance Use | 1.15 (0.47) | 1.22 (0.63) | 1.53 (0.98) | 1.24 (0.42) |
   Emotional Support | 2.40 (0.95) | 2.17 (0.91) | 2.56 (0.97) | 2.29 (0.85) |
   Instrumental Support | 2.32 (0.96) | 2.61 (0.93) | 2.78 (0.75) | 2.66 (0.99) |
   Behavioral Disengagement | 1.33 (0.51) | 1.27 (0.38) | 1.47 (0.44) | 1.47 (0.94) |
   Venting | 1.93 (0.63) | 2.09 (0.77) | 2.39 (0.65) | 2.11 (.077) |
   Positive Reframing | 2.20 (1.06) | 2.28 (0.94) | 2.75 (0.96) | 2.53 (1.05) |
   Planning | 2.97 (0.97) | 3.00 (0.98) | 3.00 (0.86) | 3.03 (0.86) |
   Humor | 1.68 (0.79)a | 1.78 (0.87) | 2.39 (1.20)a | 1.79 (0.77) |
   Acceptance | 2.95 (0.88) | 2.81 (0.83) | 2.94 (0.75) | 2.95 (0.80) |
   Religion | 2.41 (1.01) | 2.44 (0.97) | 2.31 (1.06) | 2.47 (1.05) |
   Self Blame | 1.69 (0.87) | 1.74 (0.75) | 2.00 (0.77) | 1.92 (0.79) |
Beck Depression Inventory | 16.47 (8.61)a | 20.88 (9.64) | 18.50 (9.54) | 23.93 (11.43)a |
Fatigue Severity Scale | 5.98 (0.68) | 6.35 (0.66)a | 5.70 (1.22)a | 6.30 (0.53) |
Pittsburgh Sleep Quality Index | 7.26 (2.53)a | 8.69 (2.20) | 8.94 (2.10) | 8.95 (2.39)a |
Brief Pain Inventory | Â | Â | Â | Â |
   Interference | 2.83 (2.52)a, c,d | 4.56 (2.78)b, c | 5.36 (1.96)d | 6.80 (2.33)a, b |
   Severity | 3.03 (2.06)a, c | 4.06 (2.02)b | 4.86 (1.40)c | 6.10 (2.04)a, b |
Symptoms | Â | Â | Â | Â |
   Sore Throat | 23.50 (26.61) | 29.48 (26.97) | 20.56 (26.40) | 24.84 (28.82) |
   Tender Lymph Nodes | 25.75 (30.36) | 23.40 (26.33) | 27.50 (33.79) | 32.00 (27.92) |
   Muscle Pain | 50.52 (28.34)a, b | 60.76 (28.22) | 72.92 (22.56)b | 78.42 (24.97)a |
   Joint Pain | 31.85 (33.25)a, c | 46.04 (35.95)b | 63.06 (32.18)c | 75.50 (24.54)a, b |
   Impaired Memory | 62.96 (25.22) | 59.63 (23.82) | 65.14 (25.53) | 68.94 (22.65) |
   Unrefreshing Sleep | 76.89 (18.89) | 75.19 (25.43) | 89.67 (10.86) | 87.03 (14.46) |
   Post-Exertional Malaise | 73.27 (17.84) | 75.19 (19.16) | 74.86 (23.74) | 82.36 (14.10) |
   Headaches | 42.91 (33.39)a | 56.87 (30.50) | 55.00 (31.44) | 74.03 (24.39)a |
Six Minute Walk Test | Â | Â | Â | Â |
   Distance Walked (feet) | 1419.47 (312.17) | 1728.08 (2387.62) | 1304.28 (356.492) | 1221.39 (239.23) |
   Average RPE | 9.85 (2.24)a | 10.56 (2.08) | 11.37 (2.76) | 11.78 (2.42)a |
Sit and Reach (inches) | 13.48 (3.54) | 13.16 (4.49) | 14.55 (4.24) | 13.40 (3.77) |
Hand Grip (pounds) | Â | Â | Â | Â |
   Right | 64.45 (24.67) | 61.57 (21.21) | 64.19 (21.87) | 52.28 (15.34) |
   Left | 60.04 (22.71) | 58.63 (17.90) | 58.72 (20.71) | 48.07 (17.21) |
Actigraphy Mean | 161.35 (58.55) | 145.74 (58.13) | 167.23 (48.51) | 149.78 (63.12) |
Lifetime Axis I Diagnosis % | 21 (42.0%) | 10 (37.0%) | 6 (33.3%) | 6 (31.6%) |
Current Axis I Diagnosis % | 17 (34.0%) | 5 (18.5%) | 7 (38.9%) | 6 (31.6%) |