Table 3.

Staining intensity of positive serum samples and stratification according to the duration of the disease

Patients and stageaNo. of patientsNo. (%) of serum samples with the following staining intensity:
01+2+3+4+
Case650149 (22.9)58 (8.9)112 (17.2)185 (28.5)146 (22.5)
 I21981 (37.0)21 (9.6)32 (14.0)46 (21.0)39 (17.8)
 II22024 (10.9)13 (5.9)52 (23.6)73 (33.2)58 (26.4)
Noncase1,5541,463 (94.1)62 (4.1)16 (1.0)10 (0.6)3 (0.2)
 I595559 (93.9)23 (3.9)8 (1.3)3 (0.4)2 (0.3)
 II305288 (94.1)8 (2.6)4 (1.3)4 (1.3)1 (0.3)
  • a See the text for explanations of stages.