Page 80 - Revista Portuguesa - SPORL - Vol 62. Nº1
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Table 1
          Individual Randomized Controlled Trial Methodological Quality

                                                                Blinding of  Incomplete
                            Random                 Blinding of                         Free of  Risk of bias
                            sequence   Allocation  participants  outcome   outcome    selective    of
                                                                             data
          Study            Generation  concealment  and personnel  assessment  addressed  reporting  randomized
                                       (selection
                                                                (detection
                            (selection   bias)    (performance    bias)     (attrition  (reporting  studies
                              bias)                   bias)                             bias)    (overall)
                                                                             bias)
          Shehata et al 2014 [3]  ?        +           +            +          +         +          +
          Al-Issis et al 2016 [7]  +       ?            -           ?          ?         ?          ?
          Gan et al 2003 [4]    +          +           +            +          +         +          +
          Jabalameli & Zakeri   ?          +           +            ?          +         +          ?
          2006 [5]
          Langille et al 2013 [9]   +      +           +            +          +         +          +
          Dongare &
          Saundattikar          ?          +           +            +          +         +          +
          2017 [10]
          Jahanshahi et al      +          +           +            +          +         +          +
          2014 [11]
          Eldaba et al 2013 [14]  +        +           +            +          +         +          +
          Alimian & Mohseni     +          +           +            +          +         +          +
          2011[13]
          Nuhi et al 2015 [6]   +          +           +            +          ?         ?          ?
          Athaniasiadis et al   +          +           +            +          ?         ?          ?
          2007[8]
          El Shal & Hasanein    +          +           +            +          +         +          +
          2014 [12]
          Chhapola et al        ?          -            -           ?          ?         ?          -
          2011 [22]
          Green with plus symbol = low risk; yellow with question mark = some concerns; red with minus sign = high risk


          Surgical field quality                            (Figure 4). Individually, although showing
          A random effects model of standard mean           some  tendency  for  significance,  HSI  did  not
          differences showed that patients undergoing       show a significant reduction in DS compared
          HSI   or    TXA    experienced     significant    to  controls  (p=0.06).  TXA  was  significantly
          improvement in  SFQ compared  to controls,        superior to controls in terms of DS (p=0.004).
          yielding a combined effect size of – 0.78 (p <    Considering the subgroup analysis (Figure
          0.001) (Figure 3). Individually, both HSI (p<0.001)   4), no differences were found regarding DS
          and TXA (p<0.001) were significantly superior     between HSI and TXA (effect size of HSI: - 0.70
          to controls in terms of SFQ. Considering the      vs effect size of TXA: - 1.42, p = 0.24).
          subgroup analysis (Figure 3), no differences
          were found regarding SFQ between HSI and          Topical versus intravenous tranexamic acid
          TXA (effect size of HSI: - 0.78 vs effect size of   An additional subgroup analysis was performed
          TXA: - 0.78, p = 0.99).                           to  compare  the  effects  of  topical  versus
                                                            intravenous TXA on vBL and SFQ (Figure 5). DS
          Duration of surgery                               was not computed since no topical TXA studies
          A random effects model of standard mean           sufficiently reported this outcome. A random
          differences showed that patients undergoing       effects model of  standard mean  differences
          HSI or TXA experienced a significant reduction    showed that patients undergoing both topical
          in DS compared to controls, yielding a            and  intravenous  experienced  a  significant
          combined effect size of – 1.14 (p < 0.001)        reduction in vBL (combined effect size of



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