Table 1

 Phenotype frequencies for HLA-DR in primary progressive multiple sclerosis, relapsing-remitting/secondary progressive multiple sclerosis, and controls

Serological groupPP-MSRR/SP-MSControls
Refs 5 and 21 (n = 187)Current (n = 50)Total (n = 237)Refs 5 and 21 (n = 929)Current (n = 71)Total (n = 1000)Refs 5 and 21 (n = 853)Current (n = 109)Total (n = 962)
Pooled data from two previous studies that have tested well defined PP-MS patients5,21 are compared with data from the current study.
MS, multiple sclerosis; PP, primary progressive; RR, relapsing-remitting; SP, secondary progressive.
0138 (20.3%)10 (20%)48 (20.3%)137 (14.7%)9 (12.7%)146 (14.6%)181 (21.2%)25 (22.9%)206 (21.4%)
02116 (62.0%)31 (62%)150 (63.3%)591 (63.6%)50 (70.4%)641 (64.1%)277 (32.5%)34 (31.2%)311 (32.3%)
0349 (26.2%)14 (28%)63 (26.6%)218 (23.5%)21 (29.6%)239 (23.9%)221 (25.9%)29 (26.6%)250 (26.0%)
0459 (31.6%)14 (28%)73 (30.8%)244 (26.3%)18 (25.4%)262 (26.2%)305 (35.7%)41 (37.6%)346 (36.0%)
0511 (5.9%)4 (8%)15 (6.3%)106 (11.4%)8 (11.3%)114 (11.4%)120 (14.1%)24 (22.0%)144 (15.0%)
0637 (19.8%)12 (24%)49 (20.7%)184 (19.8%)11 (15.5%)195 (19.5%)232 (27.2%)23 (21.1%)255 (26.5%)
0720 (10.7%)8 (16%)28 (11.8%)95 (10.2%)11 (15.5%)106 (10.6%)167 (19.6%)19 (17.4%)186 (19.3%)
089 (4.8%)2 (4%)11 (4.6%)79 (8.5%)5 (7.0%)84 (8.4%)57 (6.7%)6 (5.5%)63 (6.5%)
094 (2.1%)1 (2%)5 (2.1%)7 (0.8%)0 (0%)7 (0.7%)24 (2.8%)3 (2.8%)27 (2.8%)
104 (2.1%)0 (0%)4 (1.7%)11 (1.2%)0 (0%)11 (1.1%)12 (1.4%)3 (2.8%)15 (1.6%)