Table 1.

Baseline characteristics of patients with grade 1–3 A, stage I–II follicular lymphoma managed at MSK between 1998 and 2009.

	All patients		Completely stageda
	(N = 295)		(N = 154)
Characteristic	No.	%	No.	%	P
Age: Median (IQR)	58 (48–67)	57 (47–65)	0.25
Sex
Female	156	53	78	51	0.69
Male	139	47	76	49
Stage
I	172	58	94	61	0.61
II	123	42	60	39
Grade
1–2	227	86	121	83	0.39
3 A	36	14	25	17
Unknown	32	8
FLIPI
Low	209	87	117	89	0.74
Intermediate-High	30	13	14	11
Unknown	56	23
LDH
Elevated	25	12	13	11	0.86
Normal	189	88	108	89
Unknown	81	33
Hemoglobin
Decreased	15	6	7	5	1.00
Normal	244	94	130	95
Unknown	36	17
Nodal areas
>4	8	3	3	2	0.76
≤4	287	97	151	98
Bulky disease (>7 cm)
Yes	30	16	14	12	0.50
No	160	84	100	88
Unknown	105	40
PET staged
Yes	206	70	154	100	NA
No	89	30	0	0
SUVmax
>12	13	10	9	9	1.00
≤12	123	90	90	91
Unknown	159	55
Bone marrow negativity
Yes	220	75	154	100	NA
Unknown	75	25	0	0
Initial management
Initial observation	137	46	55	36	0.03
Immediate treatment	158	54	99	64

^aCompletely staged patients underwent PET scan and bone marrow biopsy at diagnosis.

IQR interquartile range, FLIPI Follicular Lymphoma International Prognostic Index, LDH lactate dehydrogenase, PET positron emission tomography, SUV standard uptake value.