24.00 (6) 50–64 57 12.28 (7) 8.77 (5) 1.75 (1) 21.05 (12) ≥65 99 19.19 (19) 9.09 (9) 1.01 (1) 24.24 (24) The main limitation of this retrospective study using the residual sera for analysis is the lack of clinical evaluation or other diagnostic approaches for possible fungal infection among these pa