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. 2014 Aug 25;32(28):3144–3155. doi: 10.1200/JCO.2014.55.4634

Table A7.

Jadad Scale for Randomized Controlled Trials

Study Year Jadad Scale65
Randomization Blinding Withdrawal Total
Sersa et al 2000 1 0 0 1
Byrne et al 2005 1 0 1 2
Gaudy et al 2006 1 0 1 2
Overgaard et al 1985 1 0 0 1
Cohen et al 1978 2 0 0 2
Nathanson et al 1979 2 0 1 3
Cascinelli et al 1993 2 2 1 5
Leonard et al 2001 1 1 1 3