Patients treated with conservative treatment
Patients treated with decompression
Mean age (years)
+ ACA and/or PCA
Mean time to surgery (hours)
Mean time to follow-up (months)
Mild to moderate disability
Gupta et al., 2004 
Morley et al., 2002 
Gives an overview on available data.
No trial fulfills the criteria of a randomised controlled study design to be included in a meta-analysis.