Table 2

Symptoms after intake of lactose in patients with and without lactose malabsorption (LM).

Symptoms

LM

(N = 7)

Not LM

(N = 52)

Statistics


Pain/discomfort all

5/7 (71%)

21/52 (40%)

p = 0.223

Pain/discomfort-ELL

5/7 (71%)

8/52 (15%)

p = 0.004

Borborygmi all

5/7 (71%)

25/52 (48%)

ns (p = 0.424)

Borborygmi-ELL

5/7 (71%)

8/51 (16%)

p = 0.005

Bloating all

5/7 (71%)

24/52 (46%)

ns (p = 0.254)

Bloating-ELL

5/7 (71%)

8/51 (16%)

p = 0.005

Diarrhoea all

4/7 (57%)

16/52 (31%)

ns (p = 0.213)

Diarrhoea-ELL

3/7 (43%)

4/51 (8%)

p = 0.032

Constipation all

0/7 (0%)

4/52 (8%)

ns (p = 1.00)

Constipation-ELL

0/7 (0%)

4/52 (8%)

ns (p = 1.00)

Any symptom

6/7 (86%)

32/52 (62%)

ns (p = 0.40)

Any symptom-ELL

6/7 (86%)

11/51 (22%)

p = 0.002


ELL (= "Early and Long Lasting"): Symptoms starting within 5 h after intake of lactose and lasting for more than 2 h. Any symptom-ELL = Any "Early and Long Lasting" symptom.

The results are given as number of patients with proportions in brackets.

Hovde and Farup BMC Gastroenterology 2009 9:82   doi:10.1186/1471-230X-9-82

Open Data