Table 1.

Blood, urine and stomal fluid pH and electrolyte concentration

Parameter	Blood	Urine	Stomal Fluid
pH
on admission	7.56	8.5	5.16
1 month later	7.36	5.5	5.97
K+ (mmol/l)
on admission	2.6	113	18
1 month later	4.1	59	12
Na+ (mmol/l)
on admission	133	50	59
1 month later	140	25	53
Cl -(mmol/l)
on admission	65	6	87
1 month later	109	85	46