Comparison | Studies | N for comparison | Result | GRADE CRITERIA | RATING | ||||
LIMITATIONS | INCONSISTENCY | INDIRECTNESS | IMPRECISION | PUBLICATION BIAS | |||||
LASB vs placebo |
Price 1998 Aydemir 2006 |
23 | No difference | — | — | — | X | — | Moderate |
Thoracic LASB + steroid vs subcutaneous | Rocha 2014 | 36 | 1 month –clinically important difference (not sig). | X | X | — | X | — | Very low |
1 year clinically important difference (sig) | X | X | — | X | — | ||||
LASB vs ultrasound block | Aydemir 2006 | 18 | No difference | — | X | — | X | — | Low |
LASB vs IVRB guanethidine | Bonelli 1983 | 19 | No difference | X | X | — | X | — | Very low |
LASB vs BTA | Carroll 2009 | 9 | Increased duration of relief with BTA | X | — | X | — | Low | |
LASB vs pulsed radiofrequency | Freitas 2013 | 40 | No difference | X | X | — | X | — | Very low |
LASB vs oral corticosteroids | Lim 2007 | 38 | No difference | X | X | X | X | — | Very low |
LASB vs IVRB (both lidocaine + clonidine) | Nascimento 2010 | 43 | No difference | X | X | — | X | — | Low |
LASB + PT + pharma vs PT + pharma | Rodriguez 2005 | 82 | Favours SGB | X | X | — | X | — | Very low |
LASB+ vs PT | Zeng 2003 | 60 | No difference | X | X | — | X | — | Very low |
Continuous LASB vs continuous brachial plexus block | Toshniwal 2012 | 33 | Favours brachial plexus block | — | X | — | X | — | Low |
Image‐guided LASB vs nonimage‐guided | Yoo 2012 | 42 | No difference | X | X | X | X | — | Very low |