Table 2

 Serum immunoglobulin concentrations before and after an ultra-marathon race

Immunoglobulin24 h beforeImmediately after3 h after24 h after72 h after
Values are mean (SE).
*p⩽0.05 compared with the concentration before.
IgA (g/l)2.182 (0.27)2.390 (0.44)2.042 (0.26)2.001 (0.31)2.049 (0.28)
IgE (KU/l)31.175 (8.73)34.870 (11.36)32.437 (9.59)34.930 (10.24)34.779 (10.12)
Total IgG (g/l)10.351 (0.89)11.817 (1.01)*10.892 (0.85)10.413 (0.88)10.579 (0.69)