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JB Learning Chapter 4 Health Care Statistics, Research, and Epidemiology
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Terms in this set (50)
What was the average daily census in a 500-bed hospital that gave 14,942 inpatient service days and 15,001 discharge days during the month of October
482
Given the provided information, how many discharge days were rendered to Ms. Jones upon discharge?
10
A researcher wants to test the following null hypothesis: There is no significant difference in the number of deaths at for-profit and not-for-profit hospitals. Which test of significance should the researcher use?
T-test
During the month of April, several patients had the exact same length of stay. The following reports number of patients with the same length of stay. What was the average length of stay? Refer to the provided Table.
2.6
Using the Table, calculate the average length of stay for the quarter. Round off to one place behind the decimal.
6.8
A researcher tested to determine if there is a significant difference in the number of male and female HIM students at the .05 level of significance. In the study, the researcher observed a total of 16 students, 2 male and 14 female. Given the chi-square contingency table, how many male students should the researcher have postulated or ?expected?
8
As Director of Health Information at Mercy Hospital, Tella is responsible for assuring that the hospital statistics are recorded correctly. She reports that 15 patients were discharged from MICU from October 1 to October 31. The length of stay for each patient was 20, 3, 17, 3, 4, 25, 8, 7, 13, 10, 5, 11, 9, 21, and 1. What was the average length of stay for these patients?
10.5
Using the Table, calculate the occupancy rate for the quarter. Round off to one place behind the decimal.
0.888
Based upon the provided statistics during the month of December, what was the fetal death rate for Houston Hospital?
0.0684
Using the Table, calculate the average daily census for the quarter. Round off to a whole number.
237
Using the Table, calculate the average daily census for the month of January. Round off to a whole number
218
The standard deviation (sd) describes the range of dispersion from the average or mean. The smaller the sd, the more the values in the distribution are:
closer to the mean
A normal distribution has a mean of 87 days and a standard deviation of 13. How many days are 3 standard deviations below the mean?
48
Based upon the provided data, what was the death (gross) rate?
0.0161
Using the Table provided, calculate the average daily census for newborns for the year.
3
A physician's clinic sees 10 adolescent patients. Their weights were 79, 82, 78, 81, 87, 92, 99, 79, 80, and 84. What was the mean weight of the patients?
84.1
Houston Hospital has 520 beds and 70 bassinets, and discharged 1454 adult and child inpatients and 332 newborns during the month of September. A total of 9202 discharge days were recorded at the time of discharge for these adults and children and 1554 discharge days for newborns. Census days for adults was 9901, 331 for children and 905 for newborns. What was the average daily census for adults and children?
341
Referring to the provided background information, what was the death rate (gross) for the month? Round off to two places behind the decimal.
0.0379
Referring to the provided background information, calculate the net autopsy rate for the month. Round off to two places behind the decimal.
0.625
Using the Table provided, calculate the average length of stay for adults and children.
6.1
Given the provided information, how may discharge days were rendered to Ms. Jones during June?
0
Calculate the gross autopsy rate for Houston Hospital given the provided data
0.1923
Referring to the provided background information, calculate the fetal death rate for the month. Round off to two places behind the decimal.
0.0172
A patient who is admitted into the hospital at 9:01 am and expires at 11:58 pm the same day would be:
counted as one inpatient service day
Calculate the mode for the following distribution: 2, 4, 5, 5, 6, 7, 10, 5
5
As Director of Health Information at Mercy Hospital, MiMi Goodstudy is responsible for assuring that the hospital statistics are recorded correctly. She reports that 14 patients were discharged from the medical service from June 1 through June 15. The length of stay for each patient was 17, 3, 4, 25, 8, 7, 13, 10, 5, 11, 9, 21, 3, and 1. What was the median stay for these patients?
8.5
If the researcher wants to set the p-value at .05, what would the alpha level be?
0.05
In a normal distribution, a researcher calculated a mean of 15 and a standard deviation of 5. What is the value of 3 standard deviations below the mean?
0
During March, 19 patients were discharged with a total of 209 discharge days. Which of the following may be calculated from the aforementioned data?
average length of stay
Referring to the provided background information, what was the gross autopsy rate for the month? Round off to two places behind the decimal.
0.5556
During the previous year, a large county in Texas reported 28 homicides to the Health Department. There were 35% from gunshot wounds, 25% from stabbings, 3% due to domestic violence, and 2% from road rage. Given the preceding data, what would be the best graphical presentation?
pie chart
Calculate the average daily census for June. Admissions: 610 Discharges: 673 Patients remaining last day of month: 198 Discharge days: 1055 Beds: 301 Inpatient service days: 1113
37
The surgical department of Houston Hospital conducted a study on post-surgical deaths and age of patients. The researcher hypothesized, "there is a relationship between post-surgical deaths and the age of the patients." This statement is generally called what?
Hypothesis
Using the Table provided, calculate the average daily inpatient census (adults and children) for the year.
25
Referring to the provided background information, what was the hospital adjusted autopsy rate for the month? Round off to two places behind the decimal
0.75
Using the Table provided, calculate the occupancy rate (adults and children) for the year.
0.0487
Woman's Hospital had a total of 225 live births, 5 intermediate and late fetal deaths, and 4 early fetal deaths during the month of March. There were 235 newborn discharges for the month. Compute the fetal death rate for March.
2.17
Last year, Houston Hospital averaged 98 births a month with a standard deviation of 6. January reported 107 births. How does the number of births in January compare to the average?
It is 1.5 standard deviations above the mean.
Based upon the provided data, what was the net autopsy rate?
0.6842
Mr. and Mrs. Howard are making plans to choose a community hospital that renders quality health care. They have narrowed the hospitals to four in the Houston area. They will make their final decision based on the local hospitals' post-op death rates. Based on the provided data, which hospital will Mr. and Mrs. Howard decide to utilize?
Tyson Memorial
As Director of Health Information at Mercy Hospital, Linda is responsible for assuring that the hospital statistics are recorded correctly. She reports that 14 patients were discharged from the medical service from June 1 to June 15. The length of stay for each patient was 17, 3, 4, 25, 8, 7, 13, 10, 5, 11, 9, 21, 3, and 1. What was the average length of stay for the first 15 days of June?
9.8
Given the provided information, how many inpatient service days were rendered to Ms. Jones during July?
7
The surgical department of Houston Hospital conducted a study on post-surgical deaths and age of patients. The researcher hypothesized, "there is no relationship between post-surgical deaths and the age of the patients." This statement is generally called the:
null hypothesis
Using the Table provided, calculate the newborn death rate.
0.0081
Refer to the provided Table. Based upon the occupancy rate, how would you describe the financial solvency of the hospital?
Poor
Using the Table provided, calculate the fetal death rate.
0.0313
Based on the provided statistics for the month of December, what was the fetal death rate for Houston Hospital?
0.0684
Given the provided information, how many inpatient service days were rendered to Ms. Jones during June?
3
Given the Pearson r calculations provided, calculate the coefficient of determination of the patients' lengths of stays in July and August.
0.843
Given the following data and ANOVA results, decide if the researcher should accept or reject the following null hypothesis (H0): There is no significant difference at the .05 level of significance in the number of inpatient autopsies performed at East, West, and North Hospitals for the past year.
reject null hypothesis
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