Table 3.

Patient demographic data

	Values
Number of participants	39
Age, mean (range)	75.5 years (57–88)
Sex distribution (%)	25 males (64%), 14 females (36%)
iNPH-score (IQR) baseline	55.6 (49.1–64.1)
iNPH-score (IQR) follow-up	63.3 (54.3–75.4)
EQ-VAS (IQR) baseline	50.0 (45.0–65.0)
EQ-VAS (IQR) follow-up	67.5 (50.0-76.3)
Time from tap test to surgery, months (IQR)	10.0 (6.0-18.5)
Time between film A (tap test) and film B (follow-up), months (IQR)	13.0 (10.3–21.8)

Abbreviations: EQ-VAS: EuroQol visual analogue scale range; iNPH-score: Total score on the Hellström iNPH scale