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2016; 62(3):248-254

recorded in the Hospital Information System, based on

data obtained from the NTI-Famema, were eligible for

the study.

Patients with more than one ICU admission

will be included in the survey considering each hospital

as an independent entry.

Data collection

To obtain the records, data were collected from the Tech-

nical Information Center (NTI) of the Famema Hospital

Information System. The following socio-demographic

and epidemiological variables were selected: gender; age;

education; religion; color/race; origin; admission diagno-

sis according to the International Classification of Dis-

eases – 10 (ICD-10); average occupancy rate and length

of ICU stay in days, mortality rate < 24 and > 24 hours;

deaths and causes of death (ICD-10).

Data analysis

For data analysis, we used the distribution of absolute

and relative frequencies based on the simple tabulation

of variables, then presented as tables for simple statisti-

cal analysis.

Ethical procedures

This study was approved by the Research Ethics Commit-

tee on 12/26/12. Opinion no.: 154.144. CAAE no.:

09631312.5.0000.5413.

esults

The data recorded in the NTI system from June 2010 to

July 2012 show 2,022 admissions to the ICU of the Hos-

pital de Clínicas de Marília-Famema. The profile of the

population served is mostly that of males (57.91%); pre-

dominantly seniors aged ≥ 60 years (48.89%) with a mean

age of 56.64 years and standard deviation ±19.18; with

low levels of formal education with complete primary

school (63.30%). Most identified themselves as Catholic

Christians (75.12%), followed by Protestants (18%). The

ethnic profile reveals a population that declares itself pri-

marily as white (77.10%) or mixed (15.3%). The patients

admitted during the study period were from Marília

(53.81%), followed by the nearest neighboring towns, Gar-

ça (4.25%) and Vera Cruz (2.37%). The average occupan-

cy rate for the period was 94.42% and the mortality rates

were 2.47% for stays <24 hours and 19.83% for >24 hours.

Of the 2,022 ICU admissions, 1,936 were coded us-

ing ICD-10; the remaining 86 (0.04%) did not provide di-

agnostic encoding. Therefore, our number of cases (N) is

limited to 1,936 admissions.

The morbidity found revealed a predominance of Dis-

eases of the Circulatory Systemwith 494 admissions (25.5%).

Following, cases of Trauma and External Causes with 446

admissions (23.03%), Cancer with 213 admissions (11.00%),

Diseases of Gastrointestinal Apparatus with 189 admis-

sions (9.76%), Infectious and Parasitic Diseases with 187

admissions (9.65%), and Diseases of the Respiratory Sys-

tem with 183 admissions (9.45%) (Table 1).

TABLE 1

Distribution of the number and percentage of

ICU admissions

vs.

ICD-10.

ICD-10

n (%)

I00-I99 Diseases of the circulatory system

494 (25.5)

S00-T98 Injury, poisoning, and other external causes 446 (23)

C00-D48 Neoplasms

213 (11)

K00-K93 Diseases of the digestive system

189 (10)

A00-B99 Infectious and parasitic diseases

187 (10)

J00-J99 Diseases of the respiratory system

183 (9)

N00-N99 Diseases of the genitourinary system

51 (3)

E00-E90 Endocrine, nutritional and metabolic diseases 49 (3)

Other (F00-F99; H00-H59; L00-L08; Q00-Q45; R00-R94;

Z30-Z54)

42 (2)

G00-G99 Diseases of the nervous system

41 (2)

M00-M99 Diseases of the musculoskeletal system and

connective tissue

20 (1)

O00-O99 Pregnancy, childbirth and the puerperium 16 (1)

D50-D89 Diseases of the blood and blood-forming

organs

5 (0.25)

Total encoded (ICD-10)

1,936 (100)

n (absolute number of admissions); % (percentage)

Table 2 shows the prevalence of the most frequent sub-

groups admitted to the ICU during the study period based

on the ICD-10 system. In the ICD-10 I00-I99 group of

Diseases of the Circulatory System, Cerebrovascular Dis-

eases (including the various types of stroke) and Ischemic

Heart Diseases (including the various types of infarction)

were more prevalent. The second group in number of ad-

missions was that of ICD-10 S00-T98 Traumas and Ex-

ternal Causes, with a higher internal prevalence for Inju-

ries to the Head and Injuries to the Hip and Thigh. In

third place, the group under ICD-10 C00-D48 code for

Cancer, with a higher prevalence of Malignant Neoplasms

of Digestive Organs and Neoplasm of Uncertain Behav-

ior. Then, with percentages very close to the above, Dis-

eases of Gastrointestinal Apparatus, CID-10 K00-K93,

with a predominance of Disorders of Gallbladder, Biliary

Tract and Pancreas, and Infectious and Parasitic Diseas-