Patient characteristics
There were 112 patients accepted thalidomide treatment in Department of
Pediatrics, Sun Yat-sen Memorial Hospital between March 2018 and
December 2019.There were 19 patientswho did not have transfusion volume
record before and during thalidomide treatment, while 10 patients did
not have the first month visit, and 6 patients did not have the third
month visit. Finally, 35 patients were excluded from efficacy and safety
analysis for thalidomide. The 77 included patients’ clinical
characteristics were illustrated inTable 1 .