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. Author manuscript; available in PMC: 2020 Jun 25.
Published in final edited form as: Spine (Phila Pa 1976). 2018 Nov 1;43(21):1521–1528. doi: 10.1097/BRS.0000000000002648

TABLE 2.

Percentage of Patients Within Five Points (MCID) of the Population Mean (50)

Baseline Time 2 Time 3 Time 4
PROMIS pain behavior
 Within five points of general population 8 (8%) 31 (37%) 35 (40%) 18 (45%)
 Worse than general population 89 (92%) 53 (63%) 52 (60%) 22 (55%)
PROMIS pain interference
 Within five points of general population 9 (9%) 28 (33%) 37 (43%) 17 (42%)
 Worse than general population 88 (91%) 57 (67%) 50 (57%) 23 (58%)
PROMIS physical function
 Within five points of general population 6 (6%) 21 (25%) 29 (33%) 13 (32%)
 Worse than general population 91 (94%) 63 (75%) 59 (67%) 27 (68%)

MCID indicates minimal clinic important difference; PROMIS, patient reported outcomes measurement information system.