Table 5.

Per node figures from the studies used in the meta-analysis. nd: not defined, na: not applicable

Study (Ref.)	Total nodes	Successful standard technique	Successful SPIO technique	Both techniques successful	Both techniques failed	Malignant nodes	Malignant nodes detected by standard technique	Malignant nodes detected by SPIO	Malignant nodes detected by both techniques	Malignant nodes in which both techniques failed
Douek et al. [10]	404	297	323	268	52	nd	nd	nd	nd	nd
Thill et al. [11]	291	267	283	263	nd	45	41	43	41	4
Rubio et al. [12]	287	230	264	nd	nd	nd	nd	nd	nd	nd
Pineiro et al. [13]	321	277	292	260	12	76	67	69	65	5
Ghilli et al. [14]	380	360	364	344	nd	77	72	73	68	5
Hopeau et al. [15]	214	193	208	188	1	61	54	60	53	1
Nordic study	403	368	376	353	12	68	63	62	60	2