Table 4.

Distribution of results by risk analysis according to bivariate analysis using simple 2 × 2 tables.

	Diagnostic criteria	Exposed n=	%	Non exposed n=	%	OR	IC (95%)	p < 0.05
1	Infection with Pseudomonas aeruginosa	8	80.0	22	12.90	26.91	5.36–135.01	0.0001
2	Digital clubbing	12	52.2	18	11.50	8.42	3.24–21.87	0.0001
3	Meconial ileus	6	54.5	24	14.20	7.25	2.05–25.64	0.0010
4	Obstructive bronchial syndrome	18	27.3	12	10.50	3.19	1.42–7.14	0.0040
5	Malnutrition	15	29.4	15	11.60	3.17	1.41–7.10	0.0040
6	severe lower respiratory infections	8	36.4	22	13.90	3.53	1.33–9.40	0.0080
7	Nasal polyps	3	50.0	27	15.50	5.44	1.04–28.41	0.0300
8	Pancreatic insufficiency	3	42.9	27	15.60	4.06	0.86–19.15	0.0580
9	Brother with CF	4	36.4	26	15.40	3.14	0.86–11.50	0.0700
10	Rhinosinusitis	12	24.5	18	13.70	2.04	0.90–4.62	0.0850
11	Reticular images in X rays	12	24.0	18	13.80	1.96	0.87–4.45	0.1000
12	Dehydration	4	33.3	26	15.50	2.73	0.77–9.73	0.1100
13	Hepatomegaly	3	37.5	27	15.70	3.22	0.73–14.29	0.1100
14	Bronchiectasis	11	21.6	19	14.70	1.59	0.70–3.64	0.2700
15	Neonatal jaundice	3	10.3	27	17.90	0.53	0.15–1.88	0.3200
16	Intestinal obstruction	1	9.1	29	17.16	0.48	0.06–3.92	0.4900
17	Anemia	3	12.5	27	17.30	0.68	0.19–2.45	0.5600
18	Chronic cough	19	17.9	11	14.90	1.25	0.56–2.81	0.5900
19	Asthma	12	18.2	18	15.80	1.19	0.53–2.65	0.6800
20	Pneumonia	19	17.1	11	15.90	1.09	0.48–2.45	0.8400
21	Chronic diarrhea	5	16.1	25	16.80	0.95	0.33–2.72	0.9300

Source: database of the patients analyzed. Elaboration: author.