Table 4.

Summary of comparison for prospective and retrospective Northwick Park Therapy Dependency Assessment scores

Therapy dependency item	Prospective scores		Retrospective scores		Comparison
	Median (IQR)	Range	Median (IQR)	Range	Wilcoxon Z-value	P-value	Spearman rho	P-value	Weighted kappa	Level of agreement
											1) Medical management	2 (2–3)	0–4	2 (1–3)	0–4	−1.61	0.11	0.50	<0.0001	0.40	Fair
2a) Splinting/orthotics  upper limb	1 (0–3)	0–4	0 (0–2)	0–4	−1.27	0.21	0.79	<0.0001	0.63	Substantial
2b) Splinting/orthotics  lower limb	1 (0–2)	0–3	1 (0–2)	0–3	−0.47	0.64	0.45	<0.0001	0.40	Fair
3) Seating/wheelchair	2 (1–2)	0–4	2 (1–2)	0–4	−1.18	0.24	0.63	<0.0001	0.48	Moderate
4) Physical therapy	3.5 (3–4)	0–4	3.5 (3–4)	0–4	−0.25	0.81	0.24	0.08	0.28	Fair
5) Trachestomy management	0 (0–0)	0–0	0 (0–0)	0–0	0.00	1.00	N/Aa	N/A	N/A	N/A
6) Swallowing	0 (0–0)	0–3	0 (0–0)	0–4	−1.07	0.29	0.75	<0.0001	0.64	Substantial
7) Nutrition	1 (0–2)	0–4	1 (0–2)	0–4	−2.23	0.03	0.47	<0.0001	0.43	Moderate
8) Supported communication	0 (0–0)	0–4	0 (0–0)	0–2	−0.81	0.42	0.73	<0.0001	0.48	Moderate
9) Speech and language  interventions	2 (0–3)	0–4	2 (0–3)	0–4	−0.91	0.37	0.90	<0.0001	0.77	Substantial
10) Personal/self-care	2 (2–2)	0–4	2 (1–2)	0–4	−1.18	0.24	0.49	<0.0001	0.35	Fair
11) Domestic/community-  based activities	2 (0–2)	0–4	1 (0–2)	0–4	−1.62	0.10	0.29	0.04	0.29	Fair
12) Vocational/leisure/  computers/driving	2 (0–2)	0–3	2 (0–2)	0–4	−0.69	0.49	0.37	<0.0001	0.34	Fair
13) Cognitive interventions	0 (0–2)	0–4	0 (0–1)	0–4	−1.19	0.23	0.45	<0.0001	0.47	Moderate
14) Behavioural management	0 (0–0)	0–4	0 (0–0)	0–4	−1.29	0.20	0.67	<0.0001	0.61	Substantial
15) Emotional/mood	1 (0–2)	0–4	2 (0–2)	0–4	−0.84	0.40	0.67	<0.0001	0.66	Substantial
16) Formal family support	0 (0–1)	0–4	0 (0–1)	0–4	−0.31	0.76	0.46	<0.0001	0.39	Fair
17) Emotional load on staff	0 (0–2)	0–4	0 (0–2)	0–4	−0.46	0.65	0.66	<0.0001	0.52	Moderate
18) Planning discharge/housing/  care package	2 (1–3)	0–4	1 (0–3)	0–4	−0.63	0.53	0.46	<0.0001	0.41	Moderate
19) Benefits and finances	1 (1–2)	0–3	1 (1–2)	0–4	−0.13	0.90	0.55	<0.0001	0.50	Moderate
20) Equipment/adaptation  for home	1 (0–2)	0–4	0 (0–2)	0–3	−2.95	0.003	0.42	<0.0001	0.31	Fair
21) Community/home visits	0 (0–3)	0–4	0 (0–2)	0–4	−1.71	0.09	0.38	0.006	0.38	Fair
22) Key-working	2 (1–2)	0–4	2 (1–2)	1–3	−1.19	0.24	0.35	0.012	0.31	Fair
23) Multidisciplinary meetings	2 (0–2)	0–2	2 (0–2)	0–2	0.00	1.00	0.77	<0.0001	0.77	Substantial
24) Reports	1 (0–1)	0–2	0 (0–2)	0–2	−2.51	0.012	0.59	<0.0001	0.50	Moderate
25) Groups/extra therapies	2 (2–2)	0–2	2 (2–2)	0–2	−0.56	0.57	0.35	0.012	0.30	Fair
26) Clinics	0 (0–2)	0–2	0 (0–2)	0–2	−0.63	0.53	0.60	<0.0001	0.60	Moderate
Subscale scores
Physical subscale	9.5 (8–11)	3–15	9.5 (7–11.5)	3–16	−1.76	0.08	0.71	<0.0001	0.52	Moderate
Basic functions	4 (1–5.5)	0–9	3 (2–5)	0–8	−1.57	0.12	0.81	<0.0001	0.54	Moderate
ADL	5 (3–6)	1–9	4 (2–6)	1–10	−2.01	0.05	0.44	<0.001	0.29	Fair
Cognitive	2 (1–6)	0–16	3 (1–6)	0–13	−0.57	0.57	0.64	<0.0001	0.55	Moderate
Discharge planning	7 (5–9.5)	1–15	6 (4–8)	1–13	−2.53	0.011	0.53	<0.0001	0.31	Fair
Indirect interventions	4 (3.5–6)	2–8	4 (3–6)	0–8	−0.74	0.46	0.55	<0.0001	0.44	Moderate
Total NPTDA	35 (28–38.5)	16–45	30 (26.6–35.5)	18–43	−3.30	<0.001	0.61	<0.0001	0.38	Fair

^aIn this particular series, unlike the earlier one, no patient had a tracheostomy.