Evaluation of fatigue and its correlation with quality of life index, anxiety symptoms, depression and activity of disease in patients with psoriatic arthritis

Figures & data

Table 1 Distribution of articular involvement

Articular involvement	Women/men	White	Mixed	Black
Peripheral	26/22	25	21	2
Axial	1/13	10	3	1
Both	17/22	26	9	4

Table 2 Distribution of SF-36 components

SF-36 domains	Median	Mean
FC	60	59.52
PAL	50	51.04
PAIN	42	52.59
GHS	62	59.81
SA	62.50	63.72
MH	68	65.71
EA	97	66.77
VIT	60	58.5

Note: PAIN indicates the pain domain of SF-36.

Abbreviations: SF-36, 36-Item Short Form Health Survey; FC, functional capacity; PAL, physical aspects limitation; GHS, general health status; SA, social aspects; MH, mental health; EA, emotional aspects; VIT, vitality.

Table 3 Distribution of FACIT-F (version 4) components

Domain	Minimum	Maximum	Median	Mean
PW	1	28	21.00	27.00
S/F W	3	28	20.00	20.71
EW	3	24	17.00	16.82
FunW	0	28	18.27	18.00
TOI	2	107	74.00	75.70
G	25	107	73.30	76.18
F	25	159	113.5	113.59

Notes: TOI, PW + FunW + FACIT F; G, PW + S/F W + EW + FunW; F, PW + S/F W + EW + FunW + FACIT F.

Abbreviations: FACIT-F, Functional Assessment of Chronic Illness Therapy – Fatigue; PW, physical well-being; S/F W, social and family well-being; EW, emotional well-being; FunW, functional well-being.

Figure 1 Distribution of FACIT-FS scores.

Abbreviation: FACIT-FS, Functional Assessment of Chronic Illness Therapy – Fatigue Scale.

Table 4 Distribution of FACIT-FS, PASI, PDI, BASDAI, HAQ, HAD A/D and CDAI domain values

Instrument	Minimum	Maximum	Median	Mean
FACIT-FS	0	52	42	38.3
PASI	0	39.9	8	9.88
PDI	0	35	5	8.01
BASDAI	0	9.25	3.2	3.59
HAQ	0	2.90	0.88	0.85
HAD A	0	21	7	7.39
HAD D	0	20	6	5.93
CDAI	2	58	24	24.65

Abbreviations: FACIT-FS, Functional Assessment of Chronic Illness Therapy – Fatigue Scale; PASI, Psoriasis Area and Severity Index; PDI, Psoriasis Disability Index; BASDAI, Bath Ankylosing Spondylitis Disease Activity Index; HAQ, Health Assessment Questionnaire; HAD A/D, Hospital Anxiety and Depression scale – Anxiety/Depression; CDAI, Clinical Disease Activity Index.

Figure 2 Correlation between FACIT-FS scores and (A) PASI, (B) PDI, (C) BASDAI and (D) CDAI scales.

Note: Scatter plots and adjustment curves of 95% CI (confidence interval) are shown.
Abbreviations: FACIT-FS, Functional Assessment of Chronic Illness Therapy – Fatigue Scale; PASI, Psoriasis Area and Severity Index; PDI, Psoriasis Disability Index; BASDAI, Bath Ankylosing Spondylitis Disease Activity Index; CDAI, Clinical Disease Activity Index.

Figure 3 Correlation between FACIT-FS scores and (A) HAQ, (B) HAD A and (C) HAD D scales.

Note: Scatter plots and adjustment curves of 95% CI (confidence interval) are shown.
Abbreviations: FACIT-FS, Functional Assessment of Chronic Illness Therapy – Fatigue Scale; HAQ, Health Assessment Questionnaire; HAD A/D, Hospital Anxiety and Depression scale – Anxiety/Depression.