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. 2021 Jul 26;4(3):e137. doi: 10.1097/OI9.0000000000000137

Table 3.

Ceiling effects at all time points: number (%) of patients at the highest possible level of functioning.

Time point

Outcome measures Baseline 6 months 12 months
SF-36 PCS 0 (0.0) 0 (0.0) 0 (0.0)
SMFA DI 49 (16.1%) 4 (1.3%) 10 (3.3%)

SF36-PCS = Short Form-36 Survey Physical Component Score; Short Musculoskeletal Function Assessment Dysfunction Index.

For SMFA-DI, the highest possible level of functioning corresponds to the lowest possible score.