Development and evaluation of the MAINTAIN instrument, selecting patients suitable for secondary or tertiary preventive manual care: the Nordic maintenance care program

doi:10.1186/s12998-022-00424-6

Table 3

Effect of maintenance care with a dysfunctional classification for each of the scores 8–27 as possible discrimination thresholds on the MAINTAIN instrument (development dataset 1)

MS n (DYS) Difference in total number of days with activity limiting LBP, MC-Control (95% CI), sample 1 (n = 249)
8 229 − 13.6 (− 32.1, 5.0)
9 224 − 13.3 (− 32.2, 5.7)
10 220 − 16.0 (− 34.9, 3.0)
11 218 − 16.6 (− 35.8, 2.5)
12 205 − 17.7 (− 37.7, 2.4)
13 201 − 16.3 (− 36.6, 4.0)
14 193 − 19.7 (− 40.5, 1.1)
15 180 − 19.6 (− 41.3, 2.1)
16 173 − 22.2 (− 44.5, 0.0)
17 159 − 22.9 (− 46.3, 0.5)
18 146 − 24.4 (− 49.1, 0.3)
19 140 − 28.9 (− 53.6, − 4.2)
20 133 − 31.5 (− 57.2, − 5.8)
21 122 − 32.6 (− 59.8, − 5.4)
22 109 − 34.5 (− 63.7, − 5.2)
23 103 − 34.1 (− 64.6, − 3.6)
24 92 − 29.9 (− 61.6, 1.7)
25 84 − 27.2 (− 60.0, 5.6)
26 74 − 30.0 (− 66.2, 6.2)
27 67 − 25.1 (− 64.0, 13.9)

MS, MAINTAIN Score (emphasis represent recommended thresholds);

n(DYS), number of individuals classified as dysfunctional by the MAINTAIN instrument at that threshold

MS	n (DYS)	Difference in total number of days with activity limiting LBP, MC-Control (95% CI), sample 1 (n = 249)
8	229	− 13.6 (− 32.1, 5.0)
9	224	− 13.3 (− 32.2, 5.7)
10	220	− 16.0 (− 34.9, 3.0)
11	218	− 16.6 (− 35.8, 2.5)
12	205	− 17.7 (− 37.7, 2.4)
13	201	− 16.3 (− 36.6, 4.0)
14	193	− 19.7 (− 40.5, 1.1)
15	180	− 19.6 (− 41.3, 2.1)
16	173	− 22.2 (− 44.5, 0.0)
17	159	− 22.9 (− 46.3, 0.5)
18	146	− 24.4 (− 49.1, 0.3)
19	140	− 28.9 (− 53.6, − 4.2)
20	133	− 31.5 (− 57.2, − 5.8)
21	122	− 32.6 (− 59.8, − 5.4)
22	109	− 34.5 (− 63.7, − 5.2)
23	103	− 34.1 (− 64.6, − 3.6)
24	92	− 29.9 (− 61.6, 1.7)
25	84	− 27.2 (− 60.0, 5.6)
26	74	− 30.0 (− 66.2, 6.2)
27	67	− 25.1 (− 64.0, 13.9)