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. 2021 Sep 13;163(6):1060–1069. doi: 10.1097/j.pain.0000000000002482

Table 2.

Reports of symptoms and signs.

Confirmed cases (n = 168) Total (n = 198)
Present, n (%) Absent, n (%) Unknown/missing, n (%) Present, n (%) Absent, n (%) Unknown/missing, n (%)
Symptom
 Sensory 167 (99.4) 182 (91.9)
  Hyperesthesia 118 (70.2) 21 (12.5) 29 (17.3) 139 (70.2) 24 (12.1) 35 (17.7)
  Allodynia 141 (83.9) 14 (8.3) 13 (7.7) 160 (80.8) 19 (9.6) 19 (9.6)
 Vasomotor 158 (94.0) 168 (84.8)
  Temperature asymmetry 114 (67.9) 36 (21.4) 18 (10.7) 122 (61.6) 47 (23.8) 29 (14.6)
  Skin color changes 144 (86.2) 18 (10.7) 6 (3.6) 155 (78.3) 29 (14.6) 14 (7.1)
  Skin color asymmetry 128 (76.2) 31 (18.5) 9 (5.4) 139 (70.2) 42 (21.2) 17 (8.6)
 Sudomotor or edema 142 (84.5) 143 (72.2)
  Edema 130 (77.4) 33 (19.6) 5 (3.0) 137 (69.2) 47 (23.7) 14 (7.1)
  Sweating changes 19 (11.3) 111 (66.1) 38 (22.6) 21 (10.6) 125 (63.1) 52 (26.2)
  Sweating asymmetry 15 (8.9) 113 (67.3) 40 (23.8) 16 (8.1) 127 (64.1) 55 (27.8)
 Motor or trophic 151 (89.9) 179 (90.4)
  Decreased range of motion 140 (83.3) 17 (10.1) 11 (6.5) 158 (79.8) 24 (12.1) 16 (8.1)
  Weakness 122 (72.6) 26 (15.5) 20 (11.9) 139 (70.2) 31 (15.7) 28 (14.1)
  Tremor 18 (10.7) 126 (75.0) 23 (14.3) 19 (9.6) 140 (70.7) 39 (19.7)
  Dystonia 17 (10.1) 132 (78.6) 18 (11.3) 18 (9.1) 146 (73.7) 34 (17.2)
  Trophic change—hair, skin, or nails 32 (19.0) 106 (63.1) 30 (17.9) 35 (17.7) 120 (60.6) 43 (21.7)
Sign
 Sensory 168 (100.0) 182 (91.9)
  Hyperesthesia 98 (58.3) 23 (13.7) 47 (28.0) 108 (54.5) 31 (15.7) 59 (29.8)
  Allodynia with light touch 137 (81.5) 27 (16.1) <5 150 (75.8) 34 (17.2) 14 (7.0)
  Allodynia with temperature 40 (23.8) 34 (20.2) 94 (56.0) 42 (21.2) 40 (20.2) 118 (58.6)
  Allodynia with deep somatic pressure 101 (60.1) 22 (13.1) 45 (26.8) 108 (54.5) 28 (14.1) 62 (31.4)
  Allodynia with joint movement 135 (80.4) 19 (11.3) 14 (8.3) 148 (74.7) 25 (12.6) 25 (12.6)
 Vasomotor 140 (83.3) 145 (73.2)
  Temperature asymmetry 76 (45.2) 65 (38.7) 27 (16.1) 82 (41.4) 79 (39.9) 37 (18.7)
  Skin color changes 112 (66.7) 51 (30.4) 5 (3.0) 117 (59.1) 69 (34.9) 12 (6.0)
  Skin color asymmetry 100 (59.5) 61 (36.3) 7 (4.2) 106 (53.5) 78 (39.4) 14 (7.1)
 Sudomotor or edema 96 (57.1) 92 (46.5)
  Edema 85 (50.6) 78 (46.4) 5 (3.0) 86 (43.4) 98 (49.5) 14 (7.1)
  Sweating changes 12 (7.1) 135 (80.4) 21 (12.5) 12 (6.0) 155 (78.3) 31 (15.7)
  Sweating asymmetry 12 (7.1) 135 (80.4) 21 (12.5) 13 (6.6) 154 (77.8) 31 (15.6)
 Motor or trophic 163 (97.0) 176 (88.9)
  Decreased range of motion 145 (86.3) 20 (11.9) <5 158 (79.9) 29 (14.6) 11 (5.5)
  Weakness 127 (75.6) 24 (14.3) 17 (10.1) 139 (70.2) 33 (16.7) 26 (13.1)
  Tremor 14 (8.3) 138 (82.1) 16 (9.5) 14 (7.1) 157 (79.3) 27 (13.6)
  Dystonia 13 (7.7) 138 (82.1) 17 (10.1) 14 (7.1) 156 (78.8) 28 (13.1)
  Trophic change—hair, skin, or nails 33 (19.6) 121 (72.0) 14 (8.3) 34 (17.2) 140 (70.7) 24 (12.1)