Table 3.

World Health Organization performance scores, cardiopulmonary exercise test results and interventions with stenting and blood transfusion for the study patients.

	Too little		Too much		Too frail		P-valuesa
	(n)	(%)	(n)	(%)	(n)	(%)
Patients	59	6.5	125	13.8	79	8.7
WHO performance score:
0	36	61.0	40	32	8	10.1	< 0.05
1	5	8.5	37	29.6	9	11.4	< 0.05
2	1	1.7	16	12.8	25	31.7	< 0.05
3	2	3.4	16	12.8	23	29.1	< 0.05
4	0	0	0	0	5	6.3	n/a
Missing	15	25.4	16	12.8	9	11.4	< 0.05
CPET:b
Patients	38		81		41
Yes	1	2.6	0	02	6	14.6	n/a
No	37	97.4	81	100	35	85.4	< 0.05
Colonic stenting	1	1.7	23	18.4	20	25.3	< 0.05
Blood transfusion	4	6.8	47	37.6	34	43	< 0.05

CPET, cardiopulmonary exercise test; WHO, World Health Organization.

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

^b CPET was only available during the second two-year study period.