Among 70 patients in the final analysis, sublaminar decompression patients demonstrated greater improvements from baseline in PROMIS PF scores at the 2-week, 4-week, 3-month, and 6-month intervals, with statistical significance or a trend toward significance at each of these time points.
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Interlaminar versus sublaminar lumbar decompression: a retrospective study on patient satisfaction as measured by PROMIS outcomes.
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The sentences
Change in pre- to post-operative PROMIS score Sublaminar decompression patients had greater improvements from baseline in PROMIS PF scores than interlaminar counterparts, with significance or approaching significance at the 2-week, 4-week, 3-month, and 6-month post-operative time points ( Table 2 ).
Similarly, PROMIS pain scores in sublaminar patients also had greater improvements from baseline compared to interlaminar patients at the 2-week and 6-month post-operative time points, and a difference at three months that approached significance ( Table 3 ).
Similar patterns were observed for PROMIS pain interference, with greater improvements in the sublaminar group at the 2-week and 6-month time points, and a near-significant difference at three months.