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