Table 4.

Patient ratings of symptoms for the three genetic groups given as medians (minimum to maximum). Pain intensity from the Brief Pain Inventory, the tiredness and nausea score from the EORTC-QLQ-C30 and cognitive function from the Mini Mental State examine score. No statistically significant differences were found (one-way ANOVA and ordinal logistic regression analyses)

	Poor metabolisers	Extensive metabolisers	Ultra-rapid metabolisers
Pain intensity	4 (0–6)	3 (0–10)	4 (0–6)
Tiredness	67 (0–100)	67 (0–100)	67 (0–100)
Nausea	17 (0–83.33)	17 (0–100)	17 (0–50)
Cognitive function	29 (20–30)	28 (14–30)	29 (20–30)