# 10 problems of health statistics

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32 pages

Task №1. The theme of "Drawing tables and graphics." 1) Create a simple layout, group and combination of statistical tables on the theme: "The study of injury job machine factory." Symptoms:
1. floor (m, M);
2. Profession (driver, apparatchik, locksmith, etc.);
3. age (years): up to 30, 30-45, 45 and older;
4. length (up to 5 years old, 5-7, 8-10, over 10).
2) A. Using the same features to build graphics (line, bar, vnutristolbikovuyu and sectoral chart).
B. Build a radial diagram, using the data provided, conclude.
Table 1
"Seasonality of morbidity with temporary disability (in the case of disability)"
Months I II III IV V VI VII VIII IX X XI XII
The number of cases 32 29 20 17 10 12 10 11 15 19 23 30

Problem №2. The theme of "relative value, time series," A Relative values: compute intensive, extensive factors and ratios; graphically represent the data.
Condition: In 2007, the city population was 45,000 From (in 2006 - 47,000), of which the number of men - 21100 people, women of childbearing age - 13600. The number of people aged 0 to 14 years-12,500 people, 15-49 years - 27,600 people., over 49 years - 4,900 people. In 2007, 1170 children were born in 2006. - 1180. She died in 2007 and the 613 people (in 2006. - 670 pers.).
The city has 132 doctors, hospitals, the total capacity is 570 beds.
B. Dynamic range: Calculate the basic parameters of the dynamic series, graphically represent the data and draw conclusions.
Condition:
Table 2
Dynamics of disease doctors in the city of C (in cases of disability)
Year 2004 2005 2006 2007
The number of cases per 1000 174 188 148 131

Problem №3. The theme of "Mean values"
• Identify the major averages measurements of systolic blood pressure in children with kidney disease: mode, median, arithmetic mean (two ways); • criteria for a variety of symptoms: Limit, amplitude, standard deviation (), the coefficient of variation (Sh);
• validity criteria: representativeness error, confidence interval, Student's t test;
• compare the results with a group of children suffering from vascular disease (134,1 ± 2,1);
• conclusions.
Conditions: The results of measurements of systolic blood pressure (mm. Hg. Art.) In children with kidney disease:
125, 130, 110, 110, 115, 120, 95, 100, 110, 110, 125, 120, 135, 135, 120, 140, 120, 145, 130, 135, 115, 95, 125, 125, 130, 150, 140, 136, 125, 130, 125, 120.

Problem №4. The theme of "medical demography."
Calculate the basic demographics of the period presented in the study area (births, deaths, natural increase, infant mortality), graphically represent the data and draw conclusions.
Condition: The population of the southern district of the XYZ region was in 2007. 90,000 people. (In 2006. - 91,000 people.), Of which women 46000 people. Age structure: 0-14 years - 24,000 people., 15-49 - 45000 people. (Including 23,500 women), older than 49 years - 21,000 people. In 2007. 1,700 children were born (in 2006. - 1850), the number of stillborn - 25. In total, 2007. died 860 people., of which 1 year of age - 48 for 1 week - 20, 1 month - 25 in 2006. dead - 920 people. Among the children who died in the week 1 (20), died of pneumonia -7, from diarrheal diseases - 3, disease of the newborn - 6 from other diseases - 4.

Problem №5. Theme: "The incidence of the population." Calculate every possible morbidity, graphically represent the data and draw conclusions.
Conditions: * The city of N. (80,000 inhabitants) in 2007, recorded 400 cases of malignant tumors, including those of the digestive system - 40, respiratory - 25, urinary organs - 13 other sites - 322 ......

Task №6. The theme of "standardization". Calculate the standardized incidence of myopia students of two universities, taking the standard of the average composition of students by gender (the sum of the two universities). Draw conclusions.
Condition:
TABLE 3
"The incidence of myopia students of two universities (in abs.)"
Sex College or university №1 №2
Number of students Number of students Number of patients Number of patients
Boys 296 95299150
Girls 317 102 149 78
Total 613 197 488 228

Task №7. The theme of "correlation" A. Ranked Spearman.
Determine the correlation coefficient, to draw conclusions.
Condition:
Table 4
"The share of the weavers with the hearing loss (in%, in years)"
Work experience (years) The share of the weavers with impaired hearing (%)
Prior to January 1
1-4 10
5-9 25
10-14 50
15-19 55
20-24 55
B. Pearson correlation coefficient.
By calculating the Pearson linear correlation coefficient to determine the nature and size of the connection. Assess the reliability of the results obtained (by calculating the average error and the 1-test) to draw conclusions.
Condition:
Table 5
"The incidence of influenza industrial workers, depending on immunization coverage (in%, in the case),"
The proportion of immunized (%) flu on 100 workers (in cases)
95 2.1
80 2.8
65 3.6
55 4.1
45 5.0
45 5.3
40 5.9
30 6.4
15 7.2

Task №8. The theme of "goodness of fit - x2
Using the x2 criterion to determine the dependence of resistance to penicillin strains of staphylococcus on their pathogenicity to evaluate the accuracy, draw conclusions.
Table 6
"Resistant Staphylococci strains to penicillin, depending on their pathogenicity (abs)."
Strains Of Total staphylococci resistant to penicillin
Pathogenic 85 60
Nonpathogenic 200 65
Total 285 125

Task №9. Subject: "The organization of outpatient care"
The clinic at the dispensary about hypertensive disease consisted of 250 patients. During the year, it was first identified and take stock of another 120 patients. Of the 370 patients in the course of the year 10 people have never tested twice were examined 30 people. Labor losses due to the underlying disease accounted for 270 cases and 2156 days, the corresponding figures of the previous year (180 cases and 1,950 days). Assess the quality and efficiency of clinical examination.

Task № 10. The topic "The organization of hospital care"
Make the calculation of the required number of hospital beds for the city with a population of 44,000 people. Means hospitalization is 18% of the total population. The average number of days of hospital stay is 19 days. The number of days of bed occupancy in the year 339.

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