Table 1. Distribution of selected characteristics among Non-Hodgkin Lymphoma cases and controls.
| Variable | Cases (n = 200) | Controls (n = 400) | P a |
| No. (%) | No. (%) | ||
| Age (year) b | 0.564 | ||
| ≤50 | 103(51.5) | 196(49.0) | |
| >50 | 97(48.5) | 204(51.0) | |
| Sex | 0.809 | ||
| Male | 128(64.0) | 260(65.0) | |
| Female | 72(36.0) | 140(35.0) | |
| Pathology | |||
| T-cell | 50(25.0) | ||
| B-cell | 150(75.0) | ||
| DLBCL | 133(66.5) | ||
| FL | 21(10.5) | ||
| MZL | 20(10.0) | ||
| CLL/SLL | 11(5.5) | ||
| Others | 15(7.5) | ||
| Ann Arbor stage | |||
| 1+2 | 84(42.0) | ||
| 3+4 | 116(58.0) |
Note: DLBCL: diffuse large B-cell lymphoma, FL: follicular lymphoma, MZL: marginal zone lymphoma, CLL: chronic lymphocytic leukemia, SLL: small lymphocytic lymphoma.
a
Two-sided χ2 test.
b
Median age of cases is 50 years.