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. 2007 Dec;24(12):836–840. doi: 10.1136/emj.2007.052175

Table 3 Therapeutic strategies and outcomes according to Niemeier's classification in 22 patients with surgical pathology.

OC (n = 16) PTGBD with elective OC (n = 6) Total patients (n = 22)
Type I 3/8 (37.5)* 2/2 (100)* 5/10 (50.0)*
Type II 5/8 (62.5)* 4/4 (100)* 9/12 (75.0)*
Type III 0 0 NA

NA, not accessible; OC, open cholecystecomy; PTGBD, percutaneous transhepatic gallbladder drainage.

*Survived patients/all patients (survival percentage).