Fluids and Barriers of the CNS

Table 3 Correlations between outcome measures

From: The timed up and go test in idiopathic normal pressure hydrocephalus: a Nationwide Study of 1300 patients

Rating scales	Preoperatively				Post-operatively
	TUG_time		TUG_steps		TUG_time		TUG_steps
	n	R	n	R	n	R	n	R
10MWT^a	858	0.80	817	0.80	843	0.84	828	0.83
miNPH scale	1242	− 0.61	1222	− 0.55	1248	− 0.71	1242	− 0.66
mRS	1223	0.45	1203	0.40	1197	0.56	1191	0.53
MMSE	1189	− 0.28	1174	− 0.26	1181	− 0.30	1177	− 0.26

^a10MWT is measured in s when correlated to TUGtime and in steps when compared to TUGsteps
Correlations (Spearman’s rho) between pre- and post-operative TUG_time and TUG_steps against the 10MWT, miNPH, mRS and MMSE scales. All correlations were statistically significant

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ISSN: 2045-8118

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