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Table 2 Cyst characteristics at first registration in the ERCE (for the subset of patients for whom these data were recorded by the data entering clinician)

From: The European Register of Cystic Echinococcosis, ERCE: state-of-the-art five years after its launch

No. of cysts per patienta
(N = 1966)
No. of patients (%)WHO-IWGE stageLiver right lobe (%)Liver left lobe (%)Liver both lobes (%)Lung right (%)Lung left (%)Lung both (%)Other localizations (%)Total (%)
11162 (59.1)Not specified342 (16.9)115 (23.9)26 (47.3)279 (86.9)224 (89.6)21 (80.8)77 (30.1)1084 (31.8)
2380 (19.3)CE1325 (16.1)65 (13.5)3 (5.4)13 (4.0)8 (3.2)2 (7.7)48 (18.8)464 (13.6)
3136 (6.9)CE2190 (9.4)44 (9.1)5 (9.1)5 (1.6)4 (1.6)024 (9.4)272 (8.0)
448 (2.4)CE3a133 (6.6)30 (6.2)3 (5.4)6 (1.9)3 (1.2)06 (2.3)181 (5.3)
523 (1.2)CE3b199 (9.8)45 (9.4)6 (10.9)2 (0.6)0031 (12.1)283 (8.3)
610 (0.5)CE4478 (23.6)105 (21.8)3 (5.4)8 (2.5)6 (2.4)2 (7.7)39 (15.3)641 (18.8)
77 (0.4)CE5201 (9.9)31 (6.5)04 (1.2)2 (0.8)018 (7.1)256 (7.5)
81         
91         
≥ 1017 (0.9)CL33 (1.6)15 (3.1)3 (5.4)1 (0.3)01 (3.8)6 (2.3)59 (1.7)
CL27 (1.4)Post-surgery120 (5.9)31 (6.5)6 (10.9)3 (0.9)3 (1.2)06 (2.3)169 (5.0)
Post-surgery153 (7.8)Total2021 (59.7)481 (14.2)55 (1.6)321 (9.5)250 (7.4)26 (0.8)255 (7.5)3409
  1. aAt enrolment
  2. Abbreviations: CL, cystic lesion (suspect cyst according to the WHO-IWGE)