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Table 1 Study characteristics of included studies

From: Surgical approaches for treatment of ureteropelvic junction obstruction – a systematic review and network meta-analysis

AuthorPublication yearDesignOperative approachesEnd pointsStudy sizeSecondary UPJOUro-lithiasisCountryPopulationMean age [years]Percent femaleFollow up [monts]
Baldwin et al. [25]2003retrospectiveEP, LP, OPoperative success, operating time, estimated blood loss, transfusion, complications, length of stay, analgesia requirement32LP 44%, EP 33%, OP 43%NAUSAadult44,4 and 37 and 42NA11,0 and 9,9 and 5,4
Bernie et al. [26]2005retrospectiveLP, RPoperative success, operating time, estimated blood loss, complications, urinary leakage, length of stay14NANAUSAadult34 and 32NA24 and 10
Bird et al. [27]2011prospectiveLP, RPoperative success, operating time, suturing time, estimated blood loss, conversion, complications, length of stay17213% overallLP 16%, RP 30%USAadult39,7+/−14,653NA
Brooks et al. [28]1995retrospectiveEP, LP, OPoperative success, operating time, transfusion, re-operation, complications, length of stay, time to return to normal activity, analgesia requirement45EP 23%, LP 8%, OP 18%EP 1%, LP 0%, OP 9%USAadult42 and 38,4 and 30,66022,0 and 13,6 and 26,0
Calvert et al. [29]2008retrospectiveLP, OPoperative success, operating time, conversion, complications, length of stay100OP 6%, LP 14%NAUKadult36,5779 and 12
Chen et al. [30]2016retrospectiveEP, LP, OPoperative success, operating time, estimated blood loss, conversion, complications, urinary leakage, length of stay109NANAChinachildren and adult32,8+/−15,6 and 30,9+/− 12,9 and 37,5+/− 12,03951,9+/− 40,1
Danuser et al. [31]2012NALP, RPoperative success, operating time, conversion, complications, length of stay82NANASwitzerlandNANANANA
Desai et al. [14]2004retrospectiveEP, LPoperative success, operating time, re-operation, complications, length of stay29noneNAUSA and Indiaadult38,6+/−16,1 and 38,9+/− 174831,4+/− 12,6 and 20,0+/−14,0
Fahad [32]2017NALP, OPoperative success, operating time, conversion, re-operation, complications, urinary leakage, deaths, length of stay, time to return to normal activity, analgesia requirement40NANAIraqchildren and adult24359
Garcia-Galisteo et al. [33]2011retrospectiveLP, RPoperative success, operating time, suturing time, estimated blood loss, transfusion, complications, deaths, length of stay50NANASpainchildren and adult33,96020,6 and 42,5
Han et al. [22]2008retrospectiveEP, LPoperative success, operating time, transfusion, complications, length of stay, renal function45EP 31%, LP 13%NAKoreaadult45,22 and 49,5 ± 13,64715,2 and 14,3
Hanske et al. [20]2015retrospectiveLP, OPtransfusion, re-operation, complications, deaths593NANAUSAadultmedian 48571
Hemal et al. [34]2010retrospectiveLP, RPoperative success, operating time, suturing time, estimated blood loss, conversion, re-operation, complications, length of stay, time to return to normal activity, analgesia requirement60NANAIndiachildren and adult24,9 and 28,13218
Klingler et al. [35]2003retrospectiveLP, OPoperative success, re-operation, complications, pain, analgesia requirement55LP 8%, OP 0%NASwitzerlandadult35,9+/−21,1 and 41,0+/−27,96019,4+/−9,1 and 17,9+/−8,8
Link et al. [36]2006prospectiveLP, RPoperating time, complications, urinary leakage20noneNAUSAadult46,5 and 38,0655,6
Lucas et al. [16]2012retrospectiveLP, RPoperative success, operating time, estimated blood loss, complications, urinary leakage759RP 27%, LP 24%RP 18%, LP 12%North AmericaNA35NA11+/−13 and 15+/− 16
Memon et al. [37]2016retrospectiveLP, OPoperative success, operating time, estimated blood loss, complications, length of stay73noneNAPakistanadult28 and 30592,7+/−1,2
Mohammed [38]2017prospectiveLP, OPoperative success, operating time, estimated blood loss, re-operation, length of stay55NANAGermanyobese, NANANA> 12
Olweny et al. [39]2012retrospectiveLP, RPoperative success, operating time, estimated blood loss, conversion, complications, length of stay, analgesia requirement20noneNAUSAadult40,3 and 35,8572,8 and 9,2
Pahwa et al. [40]2014pro- and retrospectiveLP, OP, RPoperative success, operating time, estimated blood loss, complications, length of stay90noneNAIndiaadult31,4 and 34,4 and 323332,0 and 18,0 and 13,5
Rivas et al. [15]2015retrospectiveLP, OPoperative success, conversion, complications, deaths, length of stay92NALP 19%, OP 20%Spainadult44,5 and 38,5NA45
Simforoosh et al. [41]2004prospectiveLP, OPoperative success, operating time, transfusion, re-operation, complications, urinary leakage, length of stay69noneNAIranchildren and adult18,2 and 23,13816,5 and 11,4
Umari et al. [42]2011retrospectiveLP, OPoperative success, operating time, conversion, complications, length of stay49NALP 17%, OP 32%Italychildren and adult425172,3 and 40,9
Wang et al. [43]2013retrospectiveLP, OPoperative success, operating time, estimated blood loss, complications, urinary leakage, length of stay, analgesia requirement172NANAChinachildren and adult21 AND 25 years3432,7 AND 38,4 months
Weise and Winfield [44]2006prospectiveLP, RPoperative success, operating time, estimated blood loss, transfusion, complications, length of stay45LP 7%, RP 0%NAUSAchildren and adult26 and 24,5596 and 10
Yanke et al. [21]2008retrospectiveEP, LP, RPoperative success273EP 29%; LP 28%, RP 31%NAUSAadultNA6120 and 20 and 19