. Author manuscript; available in PMC: 2020 Jul 15.

Published in final edited form as: Spine (Phila Pa 1976). 2019 Jul 15;44(14):1010–1017. doi: 10.1097/BRS.0000000000003035

Table 2:

PSM FF adjacent to levels with or without CEP damage.

	No adjacent CEP damage		Adjacent CEP damage present
	Mean	95%CI	Mean	95%CI	p-value
MF FF L1L2	26.00%	22.5-29.6%	27.80%	16.8-38.8%	0.34
ES FF L1L2	12.40%	10.4-14.3%	12.40%	6.4-18.4%	0.49
MF FF L2L3	22.10%	18.6-25.6%	27.70%	19.2-36.1%	0.07
ES FF L2L3	12.70%	10.3-15.2%	14.10%	9.4-18.7%	0.28
MF FF L3L4	21.60%	16.7-26.6%	23.70%	18.0-29.3%	0.28
ES FF L3L4	15.90%	12.7-19.1%	19.00%	14.4-23.7%	0.12
MF FF L4L5	19.10%	14.2-24.0%	25.40%	21.7-29.1%	0.02
ES FF L4L5	21.60%	16.2-27.0%	30.70%	26.3-35.1%	p<0.01

Unpaired t-Test statistics comparing differences between PSM FF between CEP damage groups. At only L4L5 is PSM FF significantly different between CEP damage groups.