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 |