Table 5

The potential screening ability of asking patients if they have lost weight in the last 2 weeks or whether they have a symptom from box 3 of the PG-SGA

Need for dietetic intervention (total score >3) if any symptom recorded in PG-SGA (95% CI)Need for dietetic intervention (total score >3) if self-report weight loss in last 2 weeks (95% CI)
Sensitivity74% (63% to 84%)56% (45% to 68%)
Specificity95% (76% to 100%)100% (81–100)
Positive predictive value98% (90% to 100%)100%
Negative predictive value50% (40% to 60%)38% (32% to 44%)
Accuracy79%66% (55% to 75%)
  • PG-SGA, Patient Generated Subjective Global Assessment.