Complex sentence: However a specific complication rate is difficult to determine due to scant data on complications and inconsistencies in their classification estimates on complications range from a low of 0.01% to a high of 38% depending on the specific study.
Split into simpler sentences: However a specific complication rate is difficult to determine due to scant data on complications and inconsistencies in their classification. Estimates on complications range from a low of 0.01% to a high of 38% depending on the specific study.