From: Non-fusion procedure using PEEK rod systems for lumbar degenerative diseases: clinical experience with a 2-year follow-up
Number
31
Mean age (range), years
56.3 (35–75)
Gender (male/female)
12/19
Follow-up (range), months
23.8 (21–26)
Mean operative time (range), mins
97.4 (50–180)
Mean blood loss (range), mls
234 (100–800)