The value of complete remission according to positron emission tomography prior to autologous stem cell transplantation in lymphoma: a population-based study showing improved outcome

Table 3 Remission status by PET/CT and CT

	N	percent	OS			LSS			PFS
	N	percent	2y	5y	P	2y	5y	P	2y	5y	P
PET/CT	136	100%
PET/CT-CR	105	77%	93%	88%		94%	92%		81%	67%
PET/CT-PR	31	23%	55%	55%	0.0003	68%	68%	0.0009	45%	41%	0.004
PET/CT-PR-local	10	7%	80%	80%		90%	90%		60%	50%
PET/CT-PR-general	21	15%	41%	41%	< 0.00005	56%	56%	0.0002	36%	36%	0.003
Aggressive B-cell lymphoma	72
PET/CT-CR	50	69%	90%	76%		90%	85%		73%	55%
PET/CT-PR	22	31%	50%	50%	0.004	59%	59%	0.006	45%	39%	0.032
Relapsed/refractory	54
PET/CT-CR	36	67%	87%	64%		87%	80%		75%	48%
PET/CT-PR	18	33%	43%	43%	0.013	50%	50%	0.008	44%	44%	0.15
Peripheral T-cell lymphoma	18
PET/CT-CR	15	83%	91%	91%		91%	91%		78%	62%
PET/CT-PR	3	17%	33%	NA	0.024	50%	NA	0.19	33%	NA	0.27
Classical Hodgkin lymphoma	25
PET/CT-CR	21	84%	100%	100%		100%	100%		89%	67%
PET/CT-PR	4	16%	75%	75%	0.083	100%	100%	1	50%	50%	0.37
CT	235
CT-CR	117	50%	76%	67%		83%	78%		66%	55%
CT-PR	118	50%	62%	51%	0.035	70%	62%	0.022	51%	36%	0.004
Aggressive B-cell lymphoma	86
CT-CR	34	40%	59%	52%		69%	69%		50%	35%
CT-PR	52	60%	52%	47%	0.81	57%	52%	0.25	46%	37%	0.85
Relapsed/refractory	77
CT-CR	30	39%	50%	45%		64%	64%		46%	30%
CT-PR	47	61%	49%	44%	0.99	54%	49%	0.38	43%	35%	0.99
Peripheral T-cell lymphoma	44
CT-CR	27	61%	74%	63%		77%	71%		67%	56%
CT-PR	17	39%	76%	76%	0.93	92%	92%	0.22	65%	44%	0.25
Classical Hodgkin lymphoma	13
CT-CR	3	23%	100%	100%		100%	100%		67%	67%
CT-PR	10	77%	70%	70%	0.21	70%	70%	0.32	50%	50%	0.34

Abbreviations: PET/CT positron emission tomography/computerized tomography, CT computerized tomography, CR complete remission, PR partial remission, NA not analyzable

ISSN: 1471-2407