Table 3. Anti-NAPlr antibody in patients with APSGN, patients with group A streptococcal infection without renal involvement, children, and normal adults

Age in yr, rangeAnti-NAPlr Antibody (positive rate)aAnti-NAPlr antibody titersb
a The presence of anti-NAPlr antibody was determined by Western blot analysis.
b Values of anti-NAPlr antibody titers are expressed as mean ± SEM.
c P < 0.05 for APSGN versus streptococcal infection, pediatrics, and normal adults.
APSGN5–75, mean 29.346 /50 (92%)566.0 ± 106.1c
Streptococcal infection8–64, mean 29.030 /50 (60%)227.1 ± 51.2
Pediatric I0.2–10, mean 7.213 /50 (26%)138.9 ± 23.4
Pediatric II11–20, mean 14.118 /50 (36%)166.0 ± 25.7
Normal adults I25–35, mean 30.024 /50 (48%)100.1 ± 18
Normal adults II52–59, mean 53.236 /50 (72%)186.0 ± 17.3