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. 2020 Jun 5;20:65. doi: 10.1186/s12894-020-00633-2

Table 4.

Characterization for stents encrustation Bladder (N = 99) and Renal (N = 99) ends

Percentage (%) of encrustation in stents
Bladder end Renal end
0 1 2 3 0 1 2 3
no deposit 28.3 41.4
OM 12.1 8.1
COM 24.2 27.3
COM + COD 14.1 11.1
BRU 2.0 1.0 2.0
HAP 1.0 1.1 1.0
HAP + BRU 1.0 3.0 3.0
UA 3.0 2.0
UA + COM 1.0 1.0
bacteria 4.0 2.0
HAP + PAM 2.0 1.0
BRU + COD 1.0
AU 1.0

OM organic matter; COM calcium oxalate monohydrate; COD calcium oxalate dihydrate; BRU brushite; HAP hydroxyapatite; UA uric acid; PAM ammonium magnesium phosphate; AU ammonium urate