Table 1.

Regular blood tests after admission

Admission day	WBC (× 109/L)	N (× 109/L)	L (× 109/L)	HBG (g/L)	PLT (×109/L)
Day 1	2.8	1.59	0.97	69	186
Day 2	1.69	1.08	0.51	52	129
Day 3	2.97	2.51	0.34	72	82
Day 4	2.23	2.01	0.13	91	91
Day 5	1.63	1.21	0.33	87	41
Day 6	1.75	1.45	0.25	75	27
Day 7	1.5	1.41	0.06	71	50
Day 8	0.46	0.41	0.04	56	27
Day 10	0.78	0.71	0.05	68	38
Day 12	0.79	0.72	0.07	56	23

The blood tests showed peripheral pancytopenia and the lymphocyte counts were low