. 2022 Aug 6;102(10):pzac113. doi: 10.1093/ptj/pzac113

Table 3.

Individual Item Fit for the 29 Items in Threshold Location: Order of Difficulty, From Easiest to Most Difficult

Item	Item No.	Item Location	SE	Fit Residual	χ²	χ² P
Lift head	I0001	−4.084	0.336	0.56	47.425	0
Roll supine to prone	I0005	−3.386	0.204	0.104	7.44	.024
Hand to opposite shoulder	I0002	−2.979	0.188	0.466	9.988	.007
Reach forward	I0007	−2.265	0.158	1.53	81.728	0
Hip flexion in supine	I0003	−2.181	0.174	−0.024	0.4	.819
Stand	I0010	−2.087	0.197	2.006	2.912	.233
Walk	I0011	−1.385	0.204	−0.971	2.083	.353
Get to sitting	I0006	−1.373	0.16	−1.251	4.46	.107
Stand on 1 leg: right	I0012	−0.974	0.173	3.131^a	17.898	.000
Stand on 1 leg: left	I0013	−0.749	0.175	3.113^a	28.962	.000
Stand to sit	I0009	−0.69	0.163	−0.937	4.522	.104
Stand on tiptoes	I0028	−0.421	0.147	4.846^a	171.891	0
Touch floor from standing	I0018	−0.09	0.152	−1.772	8.76	.012
Bridge in supine	I0004	−0.009	0.155	0.49	0.166	.920
Jump	I0021	0.385	0.213	−2.343	9.723	.008
Sit to stand	I0008	0.408	0.163	−2.987^a	6.19	.045
Walk/run 10 m	I0029	0.919	0.172	−2.426	4.307	.116
Descend box step: right	I0015	0.941	0.166	−2.37	3.74	.154
Climb box step: left	I0016	1.146	0.157	−2.064	5.724	.057
Climb box step: right	I0014	1.165	0.158	−2.723^a	7.011	.030
Descend box step: left	I0017	1.181	0.169	−1.77	4.692	.096
Hop: left	I0023	1.424	0.225	−1.739	8.359	.0153
Squat down	I0024	1.426	0.158	−1.564	2.578	.275
Hop: right	I0022	1.439	0.225	−2.088	11.005	.004
Rise from squat	I0025	2.305	0.173	−1.51	3.965	.138
High kneel to stand: right	I0026	2.328	0.174	−1.81	10.528	.005
High kneel to stand: left	I0027	2.466	0.177	−1.85	11.293	.003
Rise from floor	I0019	2.545	0.181	−2.827^a	11.046	.004
Stand on heels	I0020	2.594	0.178	0.702	5.357	.069

^{^a}

Item that “misfit” the overall scale (such items should lie in the range of ±2.5).