TABLE 1.

Subject population demographics

CharacteristicNo. (%) of subjects
Refrigerated formulation group (n = 182)Frozen formulation group (n = 185)
Gender
    Male85 (46.7)79 (42.7)
    Female97 (53.3)106 (57.3)
Age (yr)a
    50 to 5966 (36.3)69 (37.3)
    60 to 6969 (37.9)71 (38.4)
    ≥7047 (25.8)45 (24.3)
Race
    Caucasian124 (68.1)126 (68.1)
    Hispanic30 (16.5)34 (18.4)
    African American19 (10.4)15 (8.1)
    Asian/Pacific Islander6 (3.3)6 (3.2)
    Otherb3 (0.8)4 (0.1)
  • a For the refrigerated formulation group, the mean age ± standard deviation was 63.4 ± 9.2 years (median age, 62 years; age range, 50 to 88 years). For the frozen formulation group, the mean age ± standard deviation was 63.2 ± 8.4 years (median age, 63 years; age range, 50 to 85 years).

  • b Native American, Indian, African, or multiracial.