Brief Article
Copyright ©2010 Baishideng Publishing Group Co.
World J Gastroenterol. Nov 28, 2010; 16(44): 5621-5628
Published online Nov 28, 2010. doi: 10.3748/wjg.v16.i44.5621
Table 1 Basic characteristics of trials included in this study
Author and year of publication (citation)CountryPatients (n)
NAC group
Control group
Median follow-up (mo)
NACControlPre-opPost-opPre-opPost-op
Schuhmacher et al[18], 2009Germany72725-FU + DDPNoneNoneNone53
Boige et al[19], 2007France113111FPFPNoneNone68
Cunningham et al[20], 2006UK250253ECFECFNoneNone47
Hartgrink et al[21], 2004Holland2729FAMTXNoneNoneNone83
Nio et al[22], 2004Japan102193UFT (oral)CTNoneCT83
Zhang et al[23], 2004China3754IV (no details)NoneNoneNoneNR
Kobayashi et al[24], 2000Japan91805-FU (oral)CTNoneNoneNR
Wang et al[25], 2000China30305-FU (oral)NoneNoneNoneNR
Takiguchi et al[26], 2000Japan1231395-FU ± DDPNoneNoneNoneNR
Lygidakis et al[27], 1999Greece3919IP (no details)CTNoneNoneNR
Kang et al[28], 1996Korea5354PEFPEFNonePEF> 36
Masuyama et al[29], 1994Japan2498EAP (IA)NoneNoneNone> 36
Yonemura et al[30], 1993Japan2926PMUENoneNonePMUE24
Nishioka et al[31], 1982Japan64595-FU (oral)CTNoneCT> 60
Table 2 Quality assessment of trials included in this study
Author and year of publication (citation)RandomizationAllocation concealmentBlindWithdrawal and dropoutJadad score
Schuhmacher et al[18], 2009Without detailsWithout detailsWithout detailsWell reported4
Boige et al[19], 2007Without detailsWithout detailsWithout detailsWell reported4
Cunningham et al[20], 2006Well reportedEnvelopeDouble-blindWell reported7
Hartgrink et al[21], 2004Well reportedEnvelopeNoWell reported5
Nio et al[22], 2004InappropriateNoneNoWell reported1
Zhang et al[23], 2004Without detailsNoneNoWell reported2
Kobayashi et al[24], 2000Well reportedEnvelopeNoWell reported5
Wang et al[25], 2000Without detailsWithout detailsNoWell reported3
Takiguchi et al[26], 2000Without detailsNoneNoWell reported2
Lygidakis et al[27], 1999InappropriateWithout detailsNoWell reported2
Kang et al[28], 1996Without detailsWithout detailsNoWell reported3
Masuyama et al[29], 1994InappropriateNoneNoWell reported1
Yonemura et al[30], 1993Well reportedEnvelopeNoWell reported5
Nishioka et al[31], 1982InappropriateNoneNoWell reported1