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| Study design | Number of patients and controls | Assessment methods | Frequency of pain | Feature and location of pain |
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Ganzini et al. [18] | Observational | 100 patients | Interview to patients and caregivers | 19% reporting moderate to severe pain | Not reported |
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Jensen et al. [19] | Observational | 193 patients with neuromuscular disease (30 ALS) | Neuropathic pain scale, Brief Pain Inventory, quality of life (SF-36) | 60% of ALS patients | “Deep,” “tiring,” “sharp,” and “dull” Localized in the back, leg, shoulder, and neck (total of patients with neuromuscular disease) |
|
Ho et al. [20] | Retrospective | 193 patients | Standard medical records | 23% | Shoulder pain |
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Chiò et al. [21] | Case control | 160 patients | Brief Pain Inventory | 56.9% | Pain more frequent in the extremities |
|
Pagnini et al. [22] | Observational | 40 patients | Italian Pain Questionnaire, McGill Quality of Life Questionnaire | 51.2% | “Nagging,” “sore,” “periodic,” “annoying,” “exhausting,” “enduring,” “debilitating,” and “worrying” |
|
Rivera et al. [23] | Observational | 63 | Neuropathic pain scale | 50% | Neuropathic pain |
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Pizzimenti et al. [24] | Observational | 36 | Neuropathic Pain Symptom Inventory (2 items) | 71% | Localized in scapular-humeral area and lower limb |
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Wallace et al. [25] | Case control | 42 | Brief Pain Inventory PainDETECT Questionnaire | 85% | Nonneuropathic: cramping, aching, tiring, sharp, and tender |
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Hanisch et al. [26] | Case control | 46 | Brief Pain Inventory | 78% | Cramps |
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Moisset et al. [27] | Observational | 93 | DN4 questionnaire | 66% | 9% neuropathic pain |
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