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Table 1 Patients characteristics

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)