Table 1.

Longitudinal investigations of the patient’s blood B cells and serum immunoglobulins

AgeB cells (no./mm3)Concn in serum (mg/dl) of:
IgMIgGIgA
Patient (mo)
 2412022174<6
 2550020104<6
 266001992<6
 2835* a <6
 3060 * <6
 3254 * <6
 3458 * <6
 3663650<6
 3880010166010
 3915092035
 421,2002281,11063
 50600174992107
 5160014297695
 5260015689692
 53600
 5460013181885
Normal children (yr)b
 2–3700–1,30047–160407–1,00914–122
 3–445–190423–1,09022–157
  • a *, data not included because specimens were collected after immunoglobulin infusions were begun.

  • b Values represent 95 percentile ranges for the ages given.