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Table 2 Number (percentage) of patients with versus without recovery according to the representative eight symptoms accompanying ME/CFS

From: Possible involvement of the autonomic nervous system in cervical muscles of patients with myalgic encephalomyelitis / chronic fatigue syndrome (ME/CFS)

  Total (n = 1226) ME/CFS recovered ME/CFS unrecovered P-value
Headache 1162 (94.8) 648 (55.8) 514 (44.2) < 0.001
 Recovered 425 (36.6) 314 (73.9) 111 (26.1)  
 Unrecovered 737 (63.4) 334 (45.3) 403 (54.7)  
Cervical pain or stiffness 1071 (87.4) 583 (54.4) 488 (45.6) < 0.001
 Recovered 606 (56.6) 414 (68.3) 192 (31.7)  
 Unrecovered 465 (43.4) 169 (36.3) 296 (63.7)  
Vertigo or dizziness 528 (43.1) 285 (54.0) 243 (46.0) < 0.001
 Recovered 459 (86.9) 272 (59.3) 187 (40.7)  
 Unrecovered 69 (13.1) 13 (18.8) 56 (81.2)  
Palpitation 960 (78.3) 502 (52.3) 458 (47.7) < 0.001
 Recovered 595 (62.0) 376 (63.2) 219 (36.8)  
 Unrecovered 365 (38.0) 126 (34.5) 239 (65.5)  
Dazzling 979 (79.9) 536 (54.7) 443 (45.3) < 0.001
 Recovered 513 (52.4) 341 (66.5) 172 (33.5)  
 Unrecovered 466 (47.6) 195 (41.8) 271 (58.2)  
Nausea or stomachache 695 (56.7) 378 (54.4) 317 (45.6) < 0.001
 Recovered 508 (73.1) 323 (63.6) 185 (36.4)  
 Unrecovered 187 (26.9) 55 (29.4) 132 (70.6)  
Fever of unknown etiology 1045 (85.2) 554 (53.0) 491 (47.0) < 0.001
 Recovered 663 Z(63.4) 479 (72.2) 184 (27.8)  
 Unrecovered 382 (36.6) 75 (19.6) 307 (80.4)  
Depression 894 (72.9) 470 (52.6) 424 (47.4) < 0.001
 Recovered 733 (82.0) 453 (61.8) 280 (38.2)  
 Unrecovered 161 (18.0) 17 (10.6) 144 (89.4)