Pre-analytical variables evaluation in laboratory tests of patients attended at the Vitória da Conquista Central laboratory, Bahia, Brazil

Ramos, Ludimila R.; Oliveira, Márcio V.; Souza, Cláudio L.

doi:10.5935/1676-2444.20200009

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ORIGINAL ARTICLES • J. Bras. Patol. Med. Lab. 56 • 2020 • https://doi.org/10.5935/1676-2444.20200009 linkcopy

Pre-analytical variables evaluation in laboratory tests of patients attended at the Vitória da Conquista Central laboratory, Bahia, Brazil

Authorship SCIMAGO INSTITUTIONS RANKINGS

Laboratory tests	Reference values
Erythrocytes (women)	4-5.2 (10¹² l)
Erythrocytes (men)	4.5-5.9 (10¹² l)
Hemoglobin (women)	12-16 g/dl
Hemoglobin (men)	13.5-17.5 g/dl
Leukocytes	4,000-10,000 mm³
Glucose	60-99 mg/dl
Urea	17-43 mg/dl
Creatinine	6-1.3 mg/dl
GGT	9-64 U/l
Total cholesterol	Desirable: < 200 mg/dl
Triglycerides	Desirable: < 150 mg/dl

Variable	n *	%
Age
< 60 years	342	80.5
≥ 60 years	83	19.5
Sex
Female	325	76.5
Male	100	23.5
Schooling level
Never studied/Incomplete elementary school	136	32
Complete elementary school/Incomplete middle school	96	22.6
Complete middle school/Incomplete high school	59	13.9
Complete high school/Higher education	133	31.5
Ethnicity
Non-white	333	78.4
White	92	21.6
Chronic disease
Yes	213	50.2
No	212	49.8
Pregnant
Yes	58	17.8
No	267	82.2

Variable	n *	%
Alcohol consumption
Yes	65	15.3
No	360	84.7
Alcohol consumption on the previous day
Yes	8	12.3
No	57	87.7
Smoker
Yes	38	8.9
No	387	91.1
Tobacco use on collection day or on the previous day
Yes	32	84.2
No	6	15.2
Physical activity
Yes	52	12.2
No	373	87.8
Walking to the laboratory
Yes	69	16.2
No	356	83.7
adequate fasting time**
Yes	351	83.6
No	74	17.4
Menopause
Yes	116	35.7
No	209	64.3
Use of medications
Yes	291	68.5
No	134	31.5

Variable	Abnormal test (n)*	Normal test (n)*	OR (CI 95%)	p value**
Pregnancy
Yes	21	26	0.2 (0.1-0.4)	0.000001
No	37	242	1
Tobacco use
Yes	36	2	3.7 (0.8-15.7)	0.02
No	321	66	1
Means of going to the laboratory
Walking	21	48	2 (1.1-3.6)	0.01
Public transport or car	63	293	1
Menopause
Yes	31	39	1.9 (1.1-3.5)	0.01
No	41	100	1
Antihypertensive medication use
Yes	8	112	7.2 (1.9-27.6)	0.002
No	3	302	1

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Sociedade Brasileira de Patologia Clínica, Rua Dois de Dezembro,78/909 - Catete, CEP: 22220-040v - Rio de Janeiro - RJ, Tel.: +55 21 - 3077-1400 / 3077-1408, Fax.: +55 21 - 2205-3386 - Rio de Janeiro - RJ - Brazil
E-mail: jbpml@sbpc.org.br

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[TFN1] LACEM : Laboratório Central Municipal; GGT: gamma-glutamyltransferase.