Table 1

Estimation of faecal elastase 1 and faecal chymotrypsin in patients with exocrine pancreatic insufficiency of varying severity

			Abnormal faecal chymotrypsin
	Number	Abnormal faecal elastase 1 (<200 μg/g stool)	<3 U/g stool	<6 U/g stool
Exocrine pancreatic insufficiency
Absent	34	2 (6)	3 (9)	7 (21)^*
Present	30	16 (53)	11 (37)	17 (57)^†

Mild	10	4 (40)	1 (10)	3 (30)^‡
Moderate	9	3 (33)	2 (22)	4 (44)^§
Severe	11	9 (82)	8 (73)	10 (91)^¶

Values in parentheses are percentages.
Faecal elastase 1 v faecal chymotrypsin <3 U/g stool and <6 U/g stool (McNemar test): ^*p=1, p=0.18, NS; ^†p=0.13, p=1, NS;^‡p=0.25, p=1, NS; ^§p=1, p=1, NS; ^¶p=1, p=1, NS.