Skip to main content
. 2009 May 23;7:45. doi: 10.1186/1477-7525-7-45

Table 3.

Known groups construct validity of the Malay version of the SF-NDI sub-scales (n = 57)

Dyspepsia severity* Dyspepsia aetiology
SF-NDI sub-scale scores Mild
n = 11		 Severe
n = 46		 p # Organic
n = 13		 Functional
n = 44		 p #
Tension
(median; range)		 75.0
(25.0–100.0)		 56.3
(0–100.0)		 0.15 50.0
(0–100.0)		 62.5
(12.5–100.0)		 0.53
Interference
(median; range)		 75.0
(37.5–100.0)		 62.5
(0–100.0)		 0.14 75.0
(25.0–100.0)		 75.0
(0–100.0)		 0.76
Eating/drinking
(median; range)		 75.0
(37.5–100.0)		 50.0
(0–100.0)		 0.04 50.0
(25.0–100.0)		 56.3
(0–100.0)		 0.62
knowledge/control
(median; range)		 87.5
(37.5–100.0)		 68.8
(25–100.0)		 0.03 75.0
(25–100.0)		 68.8
(25–100.0)		 0.47
work/study
(median; range)		 75.0
(12.5–100.0)		 62.5
(0–100.0)		 0.02 62.5
(25.0–100.0)		 62.5
(0–100.0)		 0.85
Total
(median; range)		 77.5
(35.0–100.0)		 56.3
(22.5–100.0)		 0.05 62.5
(27.5–100.0)		 58.8
(5.0–100.0)		 0.91

* Mild = LDQ score < 15; Severe = LDQ score ≥ 15

# Mann-Whitney U test