Table 1.

Selected baseline characteristics of lymphoma cases and control subjects

CharacteristicsCases (n = 35)Controls (n = 36)
Age at enrollment; mean (SD)53.8 (8.1)53.7 (7.5)
BMI; mean (SD)26.3 (3.6)25.8 (3.0)
Sex
 Male; n (%)13 (37.1)14 (38.9)
 Female; n (%)22 (62.9)22 (61.1)
Histologic subtype of lymphoma; n (%)
 Follicular lymphoma6 (17.1)
 Diffuse large B-cell lymphoma8 (22.9)
 Multiple myeloma7 (20.0)
 Mantle cell lymphoma2 (5.7)
 Chronic lymphocytic leukemia3 (8.6)
 Other/NOS9 (25.7)
sCD30 concentration; ng/mL
 Mean (SD); all24.6 (11.8)20.9 (11.2)
 Mean (SD); 2–6 years to diagnosis (n = 18)26.4 (14.5)
 Mean (SD); > 6 years to diagnosis (n = 17)22.8 (8.1)