Table 1.

Characteristics of the 13 studies included in the meta-analysis.

Study	Publication year	No. of NHL patients	Study design	Stage	Functional imaging	PET timing	Survival data	PET (+) as prognostic factor for survival	Methodology score (%)
Zinzani et al. [7]	2011	DLBCL (n = 78)  PMLBCL (n = 13)	Retrospective	Stage II–IV	PET	I-PET	OS & PFS	Significant	65.79%
Yoo et al. [8]	2011	DLBCL (n = 155)	Retrospective	Stage I–IV	PET/CT	I-PET, final PET	OS & PFS	Undetermined	78.95%
Yang et al. [9]	2011	DLBCL (n = 159)	Prospective	Stage I–IV	PET/CT	I-PET	OS & PFS	Significant	89.47%
Trotman et al. [10]	2011	FL (n = 122)	Prospective	Stage III-IV	PET/CT	F-PET	OS & PFS	Significant	71.05%
Safar et al. [11]	2012	DLBCL (n = 112)	Retrospective	Stage III-IV	PET	I-PET	OS & PFS	Significant	71.05%
Pregno et al. [12]	2012	DLBCL (n = 88)	Retrospective	Stage I–IV	PET/CT	I-PET, F-PET	PFS	Undetermined	78.95%
Le Dortz et al. [13]	2010	FL (n = 45)	Retrospective	Stage I–IV	PET/CT	F-PET	PFS	Significant	71.05%
Han et al. [14]	2009	DLBCL (n = 38)  MCL (n = 13)	Retrospective	Stage I–IV	PET	I-PET, F-PET	OS & PFS	Undetermined	63.16%
Cox et al. [15]	2012	DLBCL (n = 73) PMLBCL (n = 12)	Prospective	Stage I–IV	PET	I-PET	OS & PFS	Undetermined	76.68%
Cashen et al. [16]	2011	DLBCL (n = 50)	Prospective	Stage III-IV	PET/CT	I-PET, F-PET	OS & PFS	Significant	71.05%
Mato et al. [17]	2012	MCL (n = 148)	Retrospective	N/A	PET/CT	I-PET, F-PET	OS & PFS	F-PET: significant I-PET: undetermined	50.00%
Lanic et al. [18]	2012	DLBCL (n = 57)	Retrospective	N/A	PET	I-PET	OS & PFS	Significant	71.05%
Dupuis et al. [19]	2012	FL (n = 111)	Prospective	Grade 1 to 3A	PET	I-PET, F-PET	OS & PFS	Significant (OS of I-PET: undetermined)	84.21%