Table 2. Instruments used for the evaluation of different clinical variables (non-exclusive categories).
*According Table 1.
| Variable (n=number of studies) | Instruments (no. of study) * |
|---|---|
| Quality of life N=10 | SF-36 (7,8,11,12,13,14,18) |
| Qualitative interview (6) | |
| RAND-36 (5) | |
| EQ-5D (19) | |
| Clinical symptoms n=11 | |
| Muscle strength n=8 | MRC (1,8,9,11,12,16) |
| DASH, NASH (13) | |
| SRT (17) | |
| Deambulation n=4 | DI (8,11) |
| RS (4,16) | |
| HAIS (4) | |
| Fatigue n=4 | MFI-20 (18) |
| CIS (9) | |
| FQ (1) | |
| FSS (20) | |
| Psychiatric disorders n=13 | |
| Depressive disorders n=8 | BDI (4,8,9,11) |
| Qualitative interview (6) | |
| SCID- IV, GHQ-12 (9) | |
| SDS (4) | |
| HAD (16) | |
| SADS-L (1) | |
| SQ (17) | |
| Anxiety disorders n=3 | SCID-I-R, GHQ-12, SCL-90 (9) |
| HAD (16) | |
| SQ (17) | |
| Sleep disorders n=10 | Polysomnography (3,10,20) |
| Clinical evaluation made by neurologist (2,15) | |
| ESS (10,16,18,20) | |
| PSQI (18,20) | |
| SCL-90 (9), SDS, | |
| SIP (4) | |
| MHSQ (1) |
ESS, Epworth Sleepiness Scale; MFI-20, Multidimensional Fatigue Inventory; BDI, Beck Depression Inventory; DI, Deambulation Index; SIP, Sickness Impact Profile; HAD, Hospital Anxiety and Depression Scale; GHQ-12, 12-Item General Health Questionnaire; CIS, Checklist Individual Strength; MHSQ, Maudsley Hospital Sleep Questionnaire; DASH, Disability Arm Shoulder Hand Questionnaire; NASH, Lumbar Spine Outcome Assessment Instrument; SDS, Self Rating Depression Scale; HAIS, Hauser Ambulation Index Score; RS, Rankin Scale; FQ, Fatigue Questionnaire; SADS-L, Schedule for Affective Disorder and Schizophrenia; MRC, United Kingdom Scale; SQ, Kellner's Symptom Questionnaire; SRT, Symptom Rating Test; SF-36, Study Short Form-36; RAND-36, Health Survey Questionnaire; PSQI, Pittsburgh Sleep Quality Index; SCID-IV, Structured Clinical Interview for DSM-IV; SCL-90, Symptom Checklist-90; FSS, Fatigue Severity Scale; EQ-5D, 5-Question Multi Attribute Questionnaire