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Table 2 Preoperative, post-operative and change in TUG time and steps pre-/post-operatively

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

Group Age group N
Preop/post-op/improvement
Preoperative values Post-operative values Improvement (%)
Median [Q1, Q3] Mean [SD] Median [Q1, Q3] Mean [SD] Median [Q1, Q3] Mean [SD]
Stratified by sex
 TUGtime total All 1249 19.0 [14.0, 26.0] 22.2 [12.1] 14.0 [11.0, 20.0] 16.9 [9.2] 21.7 [2.9, 36.8] 17.6 [32.5]
 TUGtime women All 505 20.0 [15.0, 28.5] 23.6 [12.2] 16.0 [12.0, 21.0] 17.7 [8.8] 22.2 [4.1, 38.5] 18.6 [31.7]
 TUGtime men All 744 18.0 [14.0, 25.0] 21.2 [11.9] 13.5 [11.0, 19.0] 16.4 [9.4] 21.5 [2.6, 36.4] 17.0 [33.1]
 TUGsteps total All 1226/1243/1227 23.0 [18.0, 30.0] 26.0 [11.4] 19.0 [15.0, 25.0] 21.1 [8.9] 16.7 [0.0, 31.0] 14.7 [26.9]
 TUGsteps women All 496/503/495 24.0 [19.0, 32.0] 26.8 [10.7] 20.0 [16.0, 26.0] 21.9 [7.9] 16.7 [0.0, 30.0] 14.3 [25.1]
 TUGsteps men All 733/740/732 22.0 [18.0, 29.0] 25.5 [11.8] 18.0 [15.0, 24.0] 20.6 [9.4] 17.2 [3.9, 31.1] 15.0 [28.0]
 10MWTtime total All 858/842/796 14.5 [11.3, 19.0] 16.8 [9.8] 11.4 [9.0, 15.0] 13.1 [5.9] 17.2 [0.0, 32.9] 15.5 [29.4]
 10MWTtime women All 344/339/319 15.5 [12.9, 20.9] 18.1 [10.6] 12.3 [10.0, 16.0] 13.9 [6.2] 18.2 [0.0, 34.5] 17.1 [27.1]
 10MWTtime men All 514/503/477 14.0 [11.0, 18.0] 15.9 [9.2] 11.0 [9.0, 14.5] 12.6 [5.6] 16.7 [0.0, 31.3] 14.5 [30.8]
Stratified by age
 TUGtime total  < 70 259 17.0 [13.0, 24.0] 19.6 [9.9] 12.0 [9.5, 16.0] 14.2 [7.6] 25.0 [9.1, 40.8] 22.7 [31.3]
 TUGtime total 70 ≤ x < 80 759 18.5 [14.0, 25.4] 22.0 [12.4] 14.0 [11.0, 19.0] 16.7 [9.5] 21.9 [3.7, 36.4] 17.6 [32.6]
 TUGtime total  ≥ 80 231 23.0 [17.0, 30.0] 25.6 [12.5] 19.0 [14.7, 24.0] 20.7 [8.7] 14.3 [0.0, 32.2] 11.9 [32.9]
 TUGsteps total  < 70 254/258/254 21.0 [16.8, 28.0] 23.7 [10.3] 16.5 [14.0, 21.0] 18.5 [7.5] 20.0 [5.9, 31.6] 17.0 [26.6]
 TUGsteps total 70 ≤ x < 80 746/756/741 23.0 [18.0, 30.0] 25.8 [11.2] 19.0 [15.0, 24.0] 20.9 [8.7] 17.4 [3.5, 31.3] 14.8 [26.7]
 TUGsteps total  ≥ 80 229/229/226 26.0 [21.0, 33.0] 29.4 [12.4] 23.0 [18.0, 29.0] 24.9 [9.4] 11.3 [-3.4, 26.7] 10.4 [25.3]
Outliers
 TUGtime outliers All 51 91.0 [58.0, 122.0] 96.7 [54.3] 40.0 [25.8, 90.0] 62.2 [52.4] 53.1 [− 47.1, 75.0] − 3.4 [140.1]
 TUGsteps outliers All 49/51/49 82.0 [59.5, 97.5] 85.2 [46.2] 40.0 [29.0, 68.0] 52.9 [30.5] 44.0 [− 4.0, 66.3] 22.1 [61.2]
 TUGtime all including outliers All 1300 19.0 [14.0, 27.3] 25.1 [21.5] 14.8 [11.0, 21.0] 18.7 [16.3] 22.2 [2.5, 38.2] 16.6 [43.2]
 TUGsteps all including outliers All 1277/1294/1273 23.0 [18.0, 31.0] 28.2 [18.3] 19.0 [15.0, 26.0] 22.4 [12.3] 17.2 [0.0, 31.6] 14.5 [29.5]
  1. Pre- and post-operative values of TUGtime, TUGsteps and 10MWTtime in all patients and by sex and age groups. All post-operative changes were significantly different (Related samples Wilcoxon Signed Rank test, p < 0.001), women performed worse than men in both TUG and 10MWTtime pre- as well as post-operatively (Independent samples Mann–Whitney U test, p < 0.001) and the younger age groups performed better on the TUG test than the older ones (Independent samples Kruskal–Wallis test and Independent samples Mann–Whitney U test, p < 0.001)