Clinicopathological comparison among PD-L1 expression patterns in ATLL
| . | . | . | nPD-L1 negative (n = 125) . | P . | ||||
|---|---|---|---|---|---|---|---|---|
| . | nPD-L1 positive (n = 10) . | miPD-L1 positive (n = 79) . | PD-L1 negative (n = 46) . | nPD-L1+ vs nPD-L1− . | miPD-L1 + vs PD-L1− . | |||
| Characteristic . | No. . | % . | No. . | % . | No. . | % . | P* . | P† . |
| Sex (male/female) | 7/3 | 70/30 | 40/39 | 51/49 | 29/17 | 63/73 | .51‡ | .18 |
| Age, y | ||||||||
| Median (range) | 66 (47–82) | 66 (35–90) | 64 (40–86) | .78 | .34 | |||
| ECOG PS, 2-4 | 5 | 50 | 26/77 | 34 | 12/45 | 27 | .29‡ | .41 |
| Shimoyama classification | .39 | .43 | ||||||
| Smoldering type | 0 | 0 | 2/67 | 3 | 0/34 | 0 | ||
| Acute type | 7 | 70 | 30/67 | 45 | 16/34 | 47 | [.20‡] | [.93] |
| Lymphoma type | 3 | 30 | 35/67 | 52 | 18/34 | 53 | ||
| B symptoms | 5 | 50 | 26/74 | 35 | 11 | 24 | .29‡ | .91 |
| Elevated serum LDH | 6 | 60 | 43 | 54 | 28 | 61 | 1.00‡ | .48 |
| Hypercalcemia | 2 | 20 | 8 | 10 | 11 | 24 | .65‡ | .04 |
| Elevated CRP | 8 | 80 | 44/76 | 58 | 28 | 61 | .31‡ | .75 |
| Ann Arbor stage, III or IV | 10 | 100 | 64/78 | 82 | 39 | 85 | .36‡ | .69 |
| Peripheral blood involvement | 6 | 60 | 41/76 | 54 | 23 | 50 | .75‡ | .67 |
| Bone marrow involvement | 4/7 | 57 | 19/65 | 29 | 7/34 | 21 | .098‡ | .35 |
| Skin lesion | 1 | 10 | 19/78 | 24 | 3 | 7 | 1.00‡ | .01‡ |
| WBC, ×109/L, median (range) | 14.8 (2.9-48.3) | 8.6 (1.2-97.1) | 9.4 (1.6-45.9) | .17 | .55 | |||
| Hemoglobin, g/dL, median (range) | 12.0 (7.7-14.7) | 12.4 (6.3-16.1) | 13.2 (8.0-18.6) | .49 | .052 | |||
| Platelets, ×109/L, median (range) | 193 (65-370) | 222 (19-538) | 240 (22-840) | .24 | .46 | |||
| IPI risk group, high (3-5) | 9 | 90 | 42/74 | 57 | 27/45 | 60 | .09* | .73 |
| JCOG-PI, high | 5/10 | 50 | 28/77 | 36 | 19/45 | 42 | .51 | .52 |
| Treatment | ||||||||
| Chemotherapy | 8 | 80 | 69/78 | 89 | 40/45 | 89 | .34‡ | .94 |
| Radiotherapy | 0 | 0 | 9/77 | 12 | 5/44 | 11 | .60‡ | 1.00 |
| Transplantation | 1 | 10 | 10/77 | 13 | 8/44 | 18 | 1.00‡ | .45 |
| No therapy | 2 | 20 | 9/78 | 12 | 2/45 | 4 | .25‡ | .33 |
| CR or CR(u) | 2/8 | 25 | 22/67 | 33 | 11/41 | 27 | 1.00‡ | .51 |
| Morphological classification | .51 | .54 | ||||||
| Small-cell variant | 0 | 0 | 2 | 3 | 1 | 2 | ||
| Medium-cell variant | 2 | 20 | 19 | 24 | 7 | 15 | ||
| Large-cell variant | 2 | 20 | 31 | 39 | 24 | 52 | ||
| Hodgkin-like variant | 0 | 0 | 2 | 3 | 0 | 0 | ||
| Anaplastic variant | 1 | 10 | 5 | 6 | 3 | 7 | ||
| Pleomorphic variant | 5 | 50 | 20 | 25 | 11 | 24 | ||
| IHC | ||||||||
| Neoplastic cells | ||||||||
| PD-1, positive | 0 | 0 | 16 | 20 | 9 | 20 | .21‡ | .93 |
| CD30, positive | 5 | 50 | 20 | 25 | 11 | 24 | .13‡ | .86 |
| CCR4, positive | 10 | 100 | 72 | 91 | 44 | 96 | 1.00‡ | .48‡ |
| FoxP3, positive | 2 | 20 | 21 | 27 | 12 | 26 | 1.00‡ | .95 |
| PD-1 positive TIL, counts/HPF, average (range) | 3.0 (0-24.4) | 3.6 (0-38.4) | 0.3 (0-5.2) | .16 | .0009 | |||
| . | . | . | nPD-L1 negative (n = 125) . | P . | ||||
|---|---|---|---|---|---|---|---|---|
| . | nPD-L1 positive (n = 10) . | miPD-L1 positive (n = 79) . | PD-L1 negative (n = 46) . | nPD-L1+ vs nPD-L1− . | miPD-L1 + vs PD-L1− . | |||
| Characteristic . | No. . | % . | No. . | % . | No. . | % . | P* . | P† . |
| Sex (male/female) | 7/3 | 70/30 | 40/39 | 51/49 | 29/17 | 63/73 | .51‡ | .18 |
| Age, y | ||||||||
| Median (range) | 66 (47–82) | 66 (35–90) | 64 (40–86) | .78 | .34 | |||
| ECOG PS, 2-4 | 5 | 50 | 26/77 | 34 | 12/45 | 27 | .29‡ | .41 |
| Shimoyama classification | .39 | .43 | ||||||
| Smoldering type | 0 | 0 | 2/67 | 3 | 0/34 | 0 | ||
| Acute type | 7 | 70 | 30/67 | 45 | 16/34 | 47 | [.20‡] | [.93] |
| Lymphoma type | 3 | 30 | 35/67 | 52 | 18/34 | 53 | ||
| B symptoms | 5 | 50 | 26/74 | 35 | 11 | 24 | .29‡ | .91 |
| Elevated serum LDH | 6 | 60 | 43 | 54 | 28 | 61 | 1.00‡ | .48 |
| Hypercalcemia | 2 | 20 | 8 | 10 | 11 | 24 | .65‡ | .04 |
| Elevated CRP | 8 | 80 | 44/76 | 58 | 28 | 61 | .31‡ | .75 |
| Ann Arbor stage, III or IV | 10 | 100 | 64/78 | 82 | 39 | 85 | .36‡ | .69 |
| Peripheral blood involvement | 6 | 60 | 41/76 | 54 | 23 | 50 | .75‡ | .67 |
| Bone marrow involvement | 4/7 | 57 | 19/65 | 29 | 7/34 | 21 | .098‡ | .35 |
| Skin lesion | 1 | 10 | 19/78 | 24 | 3 | 7 | 1.00‡ | .01‡ |
| WBC, ×109/L, median (range) | 14.8 (2.9-48.3) | 8.6 (1.2-97.1) | 9.4 (1.6-45.9) | .17 | .55 | |||
| Hemoglobin, g/dL, median (range) | 12.0 (7.7-14.7) | 12.4 (6.3-16.1) | 13.2 (8.0-18.6) | .49 | .052 | |||
| Platelets, ×109/L, median (range) | 193 (65-370) | 222 (19-538) | 240 (22-840) | .24 | .46 | |||
| IPI risk group, high (3-5) | 9 | 90 | 42/74 | 57 | 27/45 | 60 | .09* | .73 |
| JCOG-PI, high | 5/10 | 50 | 28/77 | 36 | 19/45 | 42 | .51 | .52 |
| Treatment | ||||||||
| Chemotherapy | 8 | 80 | 69/78 | 89 | 40/45 | 89 | .34‡ | .94 |
| Radiotherapy | 0 | 0 | 9/77 | 12 | 5/44 | 11 | .60‡ | 1.00 |
| Transplantation | 1 | 10 | 10/77 | 13 | 8/44 | 18 | 1.00‡ | .45 |
| No therapy | 2 | 20 | 9/78 | 12 | 2/45 | 4 | .25‡ | .33 |
| CR or CR(u) | 2/8 | 25 | 22/67 | 33 | 11/41 | 27 | 1.00‡ | .51 |
| Morphological classification | .51 | .54 | ||||||
| Small-cell variant | 0 | 0 | 2 | 3 | 1 | 2 | ||
| Medium-cell variant | 2 | 20 | 19 | 24 | 7 | 15 | ||
| Large-cell variant | 2 | 20 | 31 | 39 | 24 | 52 | ||
| Hodgkin-like variant | 0 | 0 | 2 | 3 | 0 | 0 | ||
| Anaplastic variant | 1 | 10 | 5 | 6 | 3 | 7 | ||
| Pleomorphic variant | 5 | 50 | 20 | 25 | 11 | 24 | ||
| IHC | ||||||||
| Neoplastic cells | ||||||||
| PD-1, positive | 0 | 0 | 16 | 20 | 9 | 20 | .21‡ | .93 |
| CD30, positive | 5 | 50 | 20 | 25 | 11 | 24 | .13‡ | .86 |
| CCR4, positive | 10 | 100 | 72 | 91 | 44 | 96 | 1.00‡ | .48‡ |
| FoxP3, positive | 2 | 20 | 21 | 27 | 12 | 26 | 1.00‡ | .95 |
| PD-1 positive TIL, counts/HPF, average (range) | 3.0 (0-24.4) | 3.6 (0-38.4) | 0.3 (0-5.2) | .16 | .0009 | |||