Table 2.

Patient demographics, tumour characteristics and comorbidities.

	Too little		Too much		Too frail		P-values
	(n)	(%)	(n)	(%)	(n)	(%)
Patients	59	6.5a	125	13.8a	79	8.7a
Patient demographics:
Age (mean, years)	65.2		72.2		79.4		< 0.001b
Sex (male : female)	36 : 23		73 : 52		40 : 39		0.406c
Tumour site:
Colon	22	37.3	80	64.0%	51	64.6	< 0.001c
Rectum	37	62.7	45	36.0%	28	35.4	< 0.001c
Radiological stage:
1	36	61.0	0	0.0	13	16.5
2	4	6.8	1	0.8	14	17.7
3	15	25.4	14	11.2	31	39.2	< 0.001c
4	4	6.8	110	88.0	17	21.5	< 0.001c
Comorbidities:
CCI score (mean)	2.67		8.46		5.86		< 0.001b
Haematocrit < 35%	5	8.5	64	51.2	50	63.3	< 0.001c
Albumin < 35 g/l	2	3.3	48	38.4	20	25.3	< 0.001c

CCI, Charlson’s Comorbidity Index.

^a Percentage of all colorectal cancer.

^b Analysis of variance two-tailed test.

^c Freeman–Halton extension of Fisher’s exact test.