Table 3.
Details of cGVHD patients and ECP characteristics*
| Day of cGVHD diagnosis | 166 (100-1023) |
| Age of cGVHD diagnosis (years) | 22 (5-64) |
| Patient weight (kg) | 55 (14-100) |
| Onset | |
| De novo | 12 (32) |
| Quiescent | 14 (38) |
| Progressive | 11 (30) |
| Seattle criteria | |
| Limited | 12 (32) |
| Extensive | 25 (68) |
| NIH20 | |
| Mild | 14 (38) |
| Moderate | 18 (49) |
| Severe | 5 (13) |
| CIBMTR21 | |
| RG1 | 9 (24) |
| RG2 | 26 (70) |
| ≥RG3 | 2 (5) |
| GVHD | |
| Skin | 36 (92) |
| Mouth | 19 (49) |
| Eye | 13 (33) |
| Gastrointestinal | 6 (15) |
| Liver | 10 (26) |
| Joint | 5 (13) |
| Genital | 2 (5) |
| Lung | 4 (10) |
| Number of ECP procedures per patient | 20 (8-77) |
| Day of ECP start | 193 (10-5681) |
| At ECP start | |
| WBCs (×109/L) | 6.5 (2.1-17.9) |
| Neutrophils (×109/L) | 4.1 (0.3-11.5) |
| Lymphocytes (×109/L) | 1.7 (0.2-7.8) |
| Monocytes (×109/L) | 0.8 (0.1-2) |
| Hemoglobin (g/dL) | 13 (8.6-16.3) |
| Hematocrit (%) | 36 (26.2-45.8) |
| PLTs (×109/L) | 231 (21-438) |
| ECP Procedures 1-8, harvested cells/kg (×108) | |
| WBCs | 5.9 (0.07-65.3) |
| Lymphocytes | 3.8 (0.03-49) |
| ECP Procedures 9-16, harvested cells/kg (×108) | |
| WBCs | 4.9 (1.3-19.2) |
| Lymphocytes | 2.1 (0.6-14.8) |
| ECP Procedures 17-22, harvested cells/kg (×108) | |
| WBCs | 4.7 (0.58-49) |
| Lymphocytes | 1.9 (0.28-32) |
* Data are reported as median (range) or number (%).