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. Author manuscript; available in PMC: 2016 Jun 15.
Published in final edited form as: Spine (Phila Pa 1976). 2015 Jun 15;40(12):E694–E700. doi: 10.1097/BRS.0000000000000891

Table 2.

Mean (SD) [RANGE] of % MFI data for the two groups over time

% MFI 1 week 2 weeks 3 months
Recovered
(n=28) 		13.4%
(3.3%)
[7.3 – 23.1]		 13.9%
(4.0%)
[7.2 – 22.9]		 14.3%*
3.6%)
[7.4 – 23.9]
Moderate/Severe
(n=8) 		18.1%
(7.7%)
[4.6 – 28.4]		 25.1%**
(10.6%)
[6.2 – 40.6]		 30.3%**
(7.9%)
[17.0 – 43.8]
*

Indicates significant within group differences between 1 week and 3 months (p = 0.023)

**

Indicates significant between group differences at 2 weeks (p=0.0009) and at 3 months (p<0.0001).

In the moderate/severe disability group, mean percent MFI significantly increased across all time points (p<0.002).