
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
What proportion of the patients was successfully treated, according to table 1? I put 68.9%. Is this correct?

Transcribed Image Text:BIOSTATISTICS CASE STUDY:
Tests of Association for Categorical Data
Table 1 Characteristics of 399 patients with PTB and
univariate analyses of potential predictors of
successful treatment
Successful
Characteristics
Patients treatment
n (%)
n(96)
Pvalue*
Sex
0.392
Male
293 (73.4)
106 (26.6)
198 (67.6)
77 (72.6)
Female
Patients with comorbidities
0.018
No comorbidity
With comorbidities
Unknown
143 (35.9)
255 (64.1)
109 (76.2)
165 (64.7)
1 (100)
CXR
0.015
Cavitations
No cavitation
Unknown
127 (31.9)
271 (68.1)
98 (77.2)
176 (64.9)
1 (100)
Previous TB treatment
0.815
Yes
No
Unknown
22 (5.8) 16 (72.7)
360 (94.2) 246 (68.3)
12 (70.6)
17
DOT
0.002
Yes
No
Unknown
250 (63.1) 186 (74.4
3 (100)
146 (36.9)
86 (58.9)
Diagnostic and treating
physicians
<0.001
298 (74.7)
221 (74.2)
Pulmonologist
Non-pulmonologist
102 (25.6)
55 (53.9)
Health-care institutions
<0.001
105 (26.3)
68 (64.8)
Medical centre
Regional hospital
District hospital and
144 (36.1)
98 (24.6)
399 (100)
*15-month follow-up after start of treatment.
92 (63.9)
66 (67.3)
Chest specialty hospital52 (13.0) 49 (94.2)
primary practitioners
Total
275 (68.9)
tx2 test.
PTB pulmonary tuberculosis; CXR chest X-ray, TB tuberculosis; DOT-
directly observed treatment.
Page i ot 4
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution
Step 1
VIEW Trending nowThis is a popular solution!
Step by stepSolved in 1 steps

Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.Similar questions
- Joshua went to a doctor's appointment yesterday. He was weighed and the paperwork said that his weight put him in the 35th percentile for weight. This means that for all [gender] that were weighed at the same [age], [per]% of them weighed [compare] Joshua. Question options: [gender] boy [gender] girls [gender] all kids [age] day [age] week [age] age [per] 35 [per] 65 [compare] more than [compare] less than [compare] the same asarrow_forwardFind the test statistic for a proportion "p" given the following information. Malloree ordered 15 pair of shoes online during the stay-at-home order, and 2 pairs arrived with mismatched sizes. Looking on line, she found that the retailer claimed that this happened 4% of the time with online orders. Enter your answer rounded to the thousandths place.arrow_forwardWhich region has the largest population in this sample? What proportion live in that region? Which region/province has the least people? What is the percentage? How many in the sample were from the Prairies?arrow_forward
- A certain basketball team makes 70% of its free throws on average. In a game where the team shoots 40 free throws. what is the approximate probabillity that the number of free throws made by the team wilbe at least 25%arrow_forward13. A researcher calculates the column percent and finds the maximum difference across columns is 17.3%. This is an example of ____ relationship: a. weak b. moderate c. strong d. positivearrow_forwardA student scored between 81% and 93% on all exams except for one that she failed with a47% because she studied the wrong chapters. Which value would better represent hertypical performance: mean exam grade or median exam grade? Briefly explain.arrow_forward
- Suppose you are told your BMI is 32, the 70th percentile for your age and sex. Please interpret this percentile age: 28 Femalearrow_forwardFind the test statistic for a proportion "p" given the following information. Malloree ordered 15 pair of shoes online during the stay-at-home order, and 2 pairs arrived with mismatched sizes. Looking on line, she found that the retailer claimed that this happened 4% of the time with online orders.arrow_forwardC1. A computer spam filter is 98% effective at sending spam emails to my junk folder, but will also incorrectly send 1% of legitimate emails to my junk folder. Suppose that 1 in 10 emails are spam. What proportion of emails in my junk folder are actually legitimate emails?arrow_forward
- According to a census company. 7 1% of all bables bom are of low birth weight. An obstetrician wanted to know whether mothers between the ages of 35 and 39 years give birth to a higher percentage of low-birth-weight babies. She randomly selected 240 births for which the mother was 35 to 39 years old and found 28 low-birth-weight bables. Complete parts (a) through (c) below. (a) lf the proportion of low-birth-welght babies for mothers in this age group is 0.071, compute the expected number of low-birth-weight births to 35- to 39-year-old mothers. What is the expected number of births to mothers 35 to 39 years old that are not low birth weight? The expected number of low birth-weight births to 35- to 39-year-old mothers is The expected number of births to mothers 35 to 39 years old that are not low birth weight is (Type integers o decimals)arrow_forwardA=14%B=34%arrow_forwardyour car is more crowded than you think. table 5.8 reports results from a 1969 personal transportation survey on "home-to-work" trips in metropolitan areas. The survey stated that the average car occupancy was 1.4 people. check that calculation.arrow_forward
arrow_back_ios
arrow_forward_ios
Recommended textbooks for you
- MATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons IncProbability and Statistics for Engineering and th...StatisticsISBN:9781305251809Author:Jay L. DevorePublisher:Cengage LearningStatistics for The Behavioral Sciences (MindTap C...StatisticsISBN:9781305504912Author:Frederick J Gravetter, Larry B. WallnauPublisher:Cengage Learning
- Elementary Statistics: Picturing the World (7th E...StatisticsISBN:9780134683416Author:Ron Larson, Betsy FarberPublisher:PEARSONThe Basic Practice of StatisticsStatisticsISBN:9781319042578Author:David S. Moore, William I. Notz, Michael A. FlignerPublisher:W. H. FreemanIntroduction to the Practice of StatisticsStatisticsISBN:9781319013387Author:David S. Moore, George P. McCabe, Bruce A. CraigPublisher:W. H. Freeman

MATLAB: An Introduction with Applications
Statistics
ISBN:9781119256830
Author:Amos Gilat
Publisher:John Wiley & Sons Inc

Probability and Statistics for Engineering and th...
Statistics
ISBN:9781305251809
Author:Jay L. Devore
Publisher:Cengage Learning

Statistics for The Behavioral Sciences (MindTap C...
Statistics
ISBN:9781305504912
Author:Frederick J Gravetter, Larry B. Wallnau
Publisher:Cengage Learning

Elementary Statistics: Picturing the World (7th E...
Statistics
ISBN:9780134683416
Author:Ron Larson, Betsy Farber
Publisher:PEARSON

The Basic Practice of Statistics
Statistics
ISBN:9781319042578
Author:David S. Moore, William I. Notz, Michael A. Fligner
Publisher:W. H. Freeman

Introduction to the Practice of Statistics
Statistics
ISBN:9781319013387
Author:David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:W. H. Freeman