Red cell parameters in DHS, whether nonhematologic manifestations were present or not.

The means between patients and controls were compared using the nonpaired Student test. ▴, patients; ▵, symptomless family members. (A) Hemoglobin was nonsignificantly decreased (P = .39). (B) Reticulocytes were significantly increased (P < .001). (C) MCV was significantly increased (P < .001). (D) MCHC was significantly increased (P < .001).