Table 2. Demography, and Clinical Characteristics of PI-NHL Patients in the Study.
| Characteristics | N (% or range) |
|---|---|
| Total | 8,568 |
| Median age in years (IQR) | 66.5 (55 - 77) |
| < 60 years | 2,933 (34.23) |
| ≥ 60 years | 5,635 (65.77) |
| Sex | |
| Female | 3,352 (39.12) |
| Male | 5,216 (60.88) |
| Ethnicity | |
| Non-Hispanic White | 6,240 (72.83) |
| Non-Hispanic Black | 533 (6.22) |
| Hispanic | 967 (11.29) |
| Others | 828 (9.66) |
| Staging | |
| Stage 1 | 4,013 (46.84) |
| Stage 2 | 2,329 (27.18) |
| Stage 3 | 456 (5.32) |
| Stage 4 | 1,770 (20.66) |
| Site | |
| Small intestine | 4,696 (54.81) |
| Large intestine | 3,872 (45.19) |
| Histology | |
| Follicular lymphoma | 1,563 (18.24) |
| MALToma | 1,160 (13.54) |
| DLBCL | 3,835 (44.76) |
| Mantle cell lymphoma | 447 (5.22) |
| Burkitt lymphoma | 344 (4.01) |
| Other B-cell lymphoma | 232 (2.71) |
| T-Cell non-Hodgkin lymphoma | 392 (4.58) |
| Non-Hodgkin lymphoma, NOS | 595 (6.94) |
| Treatment | |
| Chemotherapy only | 2,018 (23.55) |
| Surgery only | 2,446 (28.55) |
| Surgery and chemotherapy | 2,506 (29.25) |
| None | 1,598 (18.65) |
| Year of diagnosis | |
| 2000 - 2005 | 2,911 (33.98) |
| 2006 - 2010 | 2,815 (32.85) |
| 2011 - 2015 | 2,842 (33.17) |
IQR: interquartile range; DLBCL: diffuse large B-cell lymphoma; NOS: not otherwise specified; PI-NHL: primary intestinal non-Hodgkin lymphoma; MALToma: mucosa-associated lymphoid tissue lymphoma.