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. 2016 May 5;11(5):e0154553. doi: 10.1371/journal.pone.0154553

Table 3. Signs and symptoms including Budapest criteria at visit 1 and follow-up examination.

Symptoms Signs
Category Visit 1 Follow-up Visit 1 Follow-up p symptoms upon 1./follow-up visit p signs upon 1./follow-up visit p signs vs symptoms upon 1. visit p signs vs symptoms upon follow-up
Pain 19 (100%) 16 (84.2%) n.s.
Continuous pain 16 (84.2%) 7 (36.8%) <0.01
Intermittend pain 0 7 (36.8%) <0.05
Pain at orthostatic conditions 15 (79.0%) 4 (21.1%) <0.01
Pain upon movement 19 (100%) 1 (5.3%) <0.01
Pain attacks 5 (26.3%) 8 (42.1%) n.s.
Sensory abnormalities 17 (89.5%) 17 (89.5%) 15 (79%) 15 (79%) n.s. n.s. n.s. n.s.
Tingling paraesthesiaa 3 (15.8%) 11 (57.9%) <0.01
Numbnessa 10 (52.6%) 10(52.6%) 6 (31.6%) 6 (31.6%) n.s. n.s. n.s. n.s.
Mechanical Allodynia 12 (63.2%) 10 (52.6%) 5 (26.3%) 2 (10.5%) n.s. n.s. <0.05 <0.01
Hyperalgesia (all) 9 (47.4%) 14 (73.7%) 11 (57.9%) 14 (73.7%) n.s. n.s. n.s n.s.
Cold Hyperalgesia 1 (5.3%) 9 (47.4%) 7(36.8%) 10 (52.6%) <0.01 n.s. <0.05 n.s.
Heat Hyperalgesia 2 (10.5%) 5 (26.3%) 7 (36.8%) 10 (52.6%) n.s. n.s. n.s. n.s.
Mechanical hyperalgesia 8 (42.1%) 10 (52.6%) 19 (100%) 12 (63.2%) n.s. <0.01 <0.01 n.s.
Autonomic abnormalities
Vascular disorders 14 (73.7%) 14 (73.7%) 14 (73.7%) 14 (73.7%) n.s. n.s. n.s. n.s.
Skin temperature differences 9 (47.4%) 10 (52.6%) 8 (57.1%)* 8 (42.1%) n.s. n.s. n.s. n.s.
Changes of skin color 12 (63.2%) 12 (63.2%) 11 (57.9%) 10 (52.6%) n.s. n.s. n.s. n.s.
Sudomotor/ Edema 19 (100%) 13 (68.4%) 18 (94.7%) 4 (21.1%) <0.05 <0.01 n.s. <0.01
Edema (all) 18 (94.7%) 11 (57.9%) 17 (89.5%) 2 (10.5%) <0.01 <0.01 n.s. <0.01
Intermittend Edema 3 (15.8%) 9 (47.4%) 0 0 <0.05 n.s. n.s. <0.01
Edema at rest 15 (79%) 2 (10.5%) 17 (89.5%) 2 (10.5%) <0.01 <0.01 n.s. n.s.
Sudomotor abnormalities (all) 11 (57.9%) 7 (36.8%) 6 (42.1%) 1 (5.3%) n.s. <0.05 n.s. <0.05
Hyperhidrosis 9 (42.1%) 5 (26.3%) 5 (26.3%) 0 n.s. <0.05 n.s. n.s.
Hypohidrosis 3 (15.8%) 2 (10.5%) 2 (10.5%) 1 (5.3%) n.s. n.s. n.s. n.s.
Motor/trophic
Trophic symptoms/signs (all) 11 (57.9%) 6 (31.6%) 5 (26.3%) 1 (5.3%) n.s. n.s. <0.05 <0.05
Trophical changes of skin 0 0 0 0 n.s. n.s. n.s. n.s.
Hypertrichiosis 4 (21.1%) 3 (15.8%) 4 (21.1%) 1 (5.3%) n.s. n.s. n.s. n.s.
Increased/ decreased growth of finger-nails 11 (57.9%) 5 (26.3%) 2 (10.5%) 0 <0.05 n.s. <0.01 n.s.
Motor symptoms/signs (all) 14 (73.7%) 17 (89.5%) 17 (89.5%) 13 (68.4%) n.s. n.s. n.s. n.s.
Reduced strength 10 (52.6%) 16 (84.2%) 10 (52.6%) 6 (31.6%) <0.05 n.s. n.s. <0.01
Tremor 1 (5.3%) 5 (26.3%) 2 (10.5%) 2 (10.5%) n.s. n.s. n.s. n.s.
Dystonia 3 (15.8%) 1 (5.3%) 3 (15.8%) 1 (5.3%) n.s. n.s. n.s. n.s.
Range of motion 6 (31.6%) 15 (79%) 12 (63.2%) 10 (52.6%) <0.01 n.s. n.s. n.s.
Muscle atrophiea 0 6 (31.6%) 0 5 (26.3%) n.s. n.s. <0.05 <0.05
Stiffness of jointsa 6 (31.6%) 15 (79%) 7 (36.8%) 5 (26.3%) <0.01 n.s. n.s. <0.01
Decreased serviceabilitya 13 (68.4%) 16 (84.2%) 13 (68.4%) 5 (26.3%) n.s. n.s. n.s. <0.01
Budapest criteria confirmed 19 (100%) 13 (68.2%) <0.05

Symptoms are phenomenons told by the patients (subjective), signs are phenomenons found upon examinations by the investigator. Numbness (sign): Abnormal loss of mechanical detection upon QST. Allodynia (symptoms): Agreed with the answer “pain caused by touch”. Allodynia (signs): Abnormal DMA upon QST. Mechanical hyperalgesia (symptoms): Agreed with the answer „increased pain by mechanical stimulation “of the clinical questionnaire. Mechanical hyperalgesia (signs): Presence of at least one abnormal parameter in PPT, MPS or MPT upon QST. Vascular abnormalities: Change of skin color and/ or skin temperature differences of tested limb and contralateral side. Change of skin color is a livide or red coloration of the skin compared to the contralateral limb. Warm/ less warm limb (signs): skin temperature difference ≥1°C compared to the contralateral limb. Range of motion was found by determining the distance of fingertips to palm and defined as affected at a distance > 0 cm.

a: Symptoms/signs were not included for evaluation of Budapest criteria.

* n was 18 for measurement of skin temperature upon visit 1.