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Table 1 Clinical grading scales

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

Score Gait Balance Urinary incontinence mRS
0     No symptoms
1 Normal Stands independently for ≥ 30 s on either lower extremity alone Normal No significant disability. Able to carry out all usual activities, despite some symptoms
2 Slight disturbance of tandem walk and turning Stands independently for < 30 s on either lower extremity alone Urgency without incontinence Slight disability. Able to look after own affairs without assistance, but unable to carry out all previous activities
3 Wide-based gait with sway, without foot corrections Stands independently for ≥ 30 s with the feet together at the heels Infrequent incontinence without napkin Moderate disability. Requires some help, but able to walk unassisted
4 Tendency to fall, with foot corrections Stands independently for < 30 s with feet together at the heels Frequent incontinence with napkin Moderately severe disability. Unable to attend to own bodily needs without assistance, and unable to walk unassisted
5 Walking with cane Stands independently for ≥ 30 s with the feet apart (one foot length) Bladder incontinence Severe disability. Requires constant nursing care and attention, bedridden, incontinent
6 Bi-manual support needed Stands independently for < 30 s with the feet apart Bladder and bowel incontinence Dead
7 Aided Unable to stand without assistance Indwelling urinary catheter  
8 Wheelchair bound    
  1. Clinical criteria for ordinal scale assessment of function in gait, balance and urinary incontinence (i.e. the components of the modified iNPH scale) as well as mRS