Table 1.

Clinical characteristics and serum tryptophan levels in the patients with diffuse large B-cell lymphoma.

Characteristic		No.	Serum Tryptophan (µ M)
			Median	Range	P-Value
	All patients	54	58.17	15.63–96.83
Sex	male	34	56.13	15.63–96.83	<0.01
	female	20	43.06	20.19–70.71
Age (years)	<60	14	55.71	26.3–86.41	0.33
	≥60	40	51.16	15.63–96.83
PS	0–1	42	52.09	15.63–86.41	0.28
	2–4	12	52.25	26.3–96.83
LDH	normal	24	54.99	15.63–96.83	0.22
	increased	30	48.8	26.3–86.41
Extranodal sites	0–1	40	51.62	15.63–86.41	0.30
	≥2	14	53.62	26.3–96.83
CS	I/II	25	56.13	15.63–78.58	0.18
	III/IV	29	47.93	26.3–96.83
B symptoms	Absent	36	56.13	20.19–96.83	<0.05
	Present	18	43.56	15.63–74.55
L3-SMI (cm2/m2)	<41	27	42.64	15.63–70.71	<0.01
	≥41	27	59.42	35.85–96.83

PS: performance status; LDH: lactase dehydrogenase; CS: clinical stage; L3-SMI: third lumbar skeletal muscle index.