Comparison of the clinical characteristics of the training and validation cohorts
| . | Training cohort, n = 49 . | Validation cohort, n = 124 . | . | ||
|---|---|---|---|---|---|
| n= . | n (%) . | n= . | n (%) . | P . | |
| IHC classification | 49 | 124 | .66 | ||
| PTCL-GATA3 | 15 (31) | 46 (37) | |||
| PTCL-TBX21 | 31 (63) | 69 (56) | |||
| Unclassified | 3 (6) | 9 (7) | |||
| Sex | 42 | 100 | .54 | ||
| Female | 17 (40) | 35 (35) | |||
| Male | 25 (60) | 65 (65) | |||
| Age, y | 39 | 98 | .04 | ||
| ≤60 | 13 (33) | 52 (53) | |||
| >60 | 26 (67) | 46 (47) | |||
| Stage | 17 | 73 | .22 | ||
| I/II | 2 (12) | 20 (27) | |||
| III/IV | 15 (88) | 53 (73) | |||
| Extranodal sites | 6 | 74 | .66 | ||
| ≤1 | 4 (67) | 54 (73) | |||
| >1 | 2 (33) | 20 (27) | |||
| Serum LDH level | 14 | 67 | 1.00 | ||
| Normal | 5 (36) | 25 (37) | |||
| High | 9 (64) | 42 (63) | |||
| IPI score | 13 | 63 | .24 | ||
| Low: 0-2 | 5 (38) | 36 (57) | |||
| High: 3-5 | 8 (62) | 27 (43) | |||
| Treatment | 7 | 63 | .07 | ||
| CHOP/CHOP-like | 4 (57) | 55 (87) | |||
| Other | 2 (29) | 7 (11) | |||
| None | 1 (14) | 1 (2) | |||
| . | Training cohort, n = 49 . | Validation cohort, n = 124 . | . | ||
|---|---|---|---|---|---|
| n= . | n (%) . | n= . | n (%) . | P . | |
| IHC classification | 49 | 124 | .66 | ||
| PTCL-GATA3 | 15 (31) | 46 (37) | |||
| PTCL-TBX21 | 31 (63) | 69 (56) | |||
| Unclassified | 3 (6) | 9 (7) | |||
| Sex | 42 | 100 | .54 | ||
| Female | 17 (40) | 35 (35) | |||
| Male | 25 (60) | 65 (65) | |||
| Age, y | 39 | 98 | .04 | ||
| ≤60 | 13 (33) | 52 (53) | |||
| >60 | 26 (67) | 46 (47) | |||
| Stage | 17 | 73 | .22 | ||
| I/II | 2 (12) | 20 (27) | |||
| III/IV | 15 (88) | 53 (73) | |||
| Extranodal sites | 6 | 74 | .66 | ||
| ≤1 | 4 (67) | 54 (73) | |||
| >1 | 2 (33) | 20 (27) | |||
| Serum LDH level | 14 | 67 | 1.00 | ||
| Normal | 5 (36) | 25 (37) | |||
| High | 9 (64) | 42 (63) | |||
| IPI score | 13 | 63 | .24 | ||
| Low: 0-2 | 5 (38) | 36 (57) | |||
| High: 3-5 | 8 (62) | 27 (43) | |||
| Treatment | 7 | 63 | .07 | ||
| CHOP/CHOP-like | 4 (57) | 55 (87) | |||
| Other | 2 (29) | 7 (11) | |||
| None | 1 (14) | 1 (2) | |||
Not all data were available for all cases.
LDH, lactate dehydrogenase.