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Change on SF-36 Physical Functioning Scale by Self-reported Retrospective Rating of Change
| Interval | Lot Better (n = 21) | Little Better (n = 35) | Same (n = 252) | Little Worse (n = 113) | Lot Worse (n = 30) |
|---|---|---|---|---|---|
| 12 months | 4.99a | 0.32,b | 0.46b | −3.86c | −4.74c |
| 6 months | 4.08a | −0.58b,c | 0.89b | −2.34c | −3.47c |
Note: Cell entries in the same row that share a letter do not differ significantly (p > 0.05) from one another (Duncan’s multiple range tests). SD of change was 7.74 for 12 months and 7.08 for 6 months.
