Table 1. Characteristics of patients included in serological analysis.

All samples were collected in the UK.

Diagnosis	Type*	N	Sex (F : FN : M : MN)†	Age (years : months)
Median	Range
Lymphoma	B-cell	62	8 : 18 : 21 : 15	7 : 0	8 : 0–13 : 8
	T-cell	48	5 : 13 : 16 : 14	7 : 3	1 : 5–12 : 3
	Mixed	1	0 : 1: 0 : 0	7 : 11	7 : 11
	Null-cell	3	0 : 3: 0 : 0	6 : 7	6 : 6–8 : 4
	NOS	44	7 : 9: 18 : 10	7 : 7	1 : 7–16 : 7
Other cancer	Other	37	2 : 17 : 6 :12	8 : 0	3 : 9–13 : 9
Control	Healthy	39	Unknown‡	Unknown‡	1 : 0–8 : 0‡

^*NOS, not otherwise specified; patients with ‘Other’ cancers comprised: mast cell tumour (n = 12), sarcoma (n = 8), osteosarcoma (n = 6), carcinoma (n = 5), haemangiosarcoma (n = 2), and histiocytic tumour, melanoma, neuroectodermal bone tumour and thymoma (n = 1 each).

^†F, female; FN, female neutered; M, male; MN, male neutered.

^‡The sex and exact age of these patients was not known, although all were aged between 1 and 8 years.