Table 2.

Clinical Characteristics of Joint Involvement

WHO Probable Case CriteriaWHO Confirmed Case Criteria
Met CriteriaDid Not Met CriteriaMet CriteriaDid Not Met Criteria
(n: 180)(n: 424)(n: 150)(n: 454)
Symmetry (%)
 Arthralgia177 (98,3)*215 (50,7)147 (98,0)*245 (54,0)
 Arthritis85 (47,2)*14 (3,3)80 (53,3)*19 (4,2)
Arthralgia (%)
 Elbows58 (32,2)*60 (14,2)48 (32,0)*70 (15,4)
 Wrists78 (43,3)*67 (15,8)65 (43,3)*80 (17,6)
 Hands120 (66,7)*126 (29,7)103 (68,7)*143 (31,5)
 Knees128 (71,1)*200 (47,2)107 (71,3)*221 (48,7)
 Ankles103 (57,2)*95 (22,5)92 (61,3)*106 (23,4)
 Feet71 (39,4)*94 (22,2)65 (43,3)*100 (22,0)
Arthritis (%)
 Wrists17 (9,4)*4 (0,9)16 (10,7)*5 (1,1)
 Hands44 (24,4)*6 (1,4)42 (28,0)*8 (1,8)
 Knees21 (11,7)*4 (0,9)20 (13,3)*5 (1,1)
 Ankles43 (23,9)*8 (1,9)42 (28,0)*9 (2,0)
 Feet40 (22,2)*7 (1,7)39 (26,0)*8 (1,8)
Myalgia (%)130 (72,2)*35 (8,3)106 (70,7)*59 (13,0)
Fatigue (%)165 (91,7)*41 (9,7)137 (91,3)*69 (15,2)
  • *p<0,005.