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Summary of studies included 
: Value is significantly higher for LIA steroid group compared to LIA without steroid group; 
: Value is significantly lower for LIA steroid group compared to LIA without steroid group; ND: No significant differences detected between values of LIA steroid group compared to LIA without steroid group; NR: Value not reported; ★: Indicates a study in which all values are either significant or have not been reported.
