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StatisticsQ&A LibraryBIOSTATISTICS CASE STUDY:Tests of Association for Categorical DataTable 1 Characteristics of 399 patients with PTB andunivariate analyses of potential predictors ofsuccessful treatmentSuccessfulCharacteristicsPatients treatmentn (%)n(96)Pvalue*Sex0.392Male293 (73.4)106 (26.6)198 (67.6)77 (72.6)FemalePatients with comorbidities0.018No comorbidityWith comorbiditiesUnknown143 (35.9)255 (64.1)109 (76.2)165 (64.7)1 (100)CXR0.015CavitationsNo cavitationUnknown127 (31.9)271 (68.1)98 (77.2)176 (64.9)1 (100)Previous TB treatment0.815YesNoUnknown22 (5.8) 16 (72.7)360 (94.2) 246 (68.3)12 (70.6)17DOT0.002YesNoUnknown250 (63.1) 186 (74.43 (100)146 (36.9)86 (58.9)Diagnostic and treatingphysiciansQuestion

Asked Feb 20, 2019

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How do I generate expected values from the information listed in Table 1 for DOT?

1 Rating

Step 1

Given data of DOT status and Successful treatments which were observed as shown below.

Here we need to fond the expected data

Step 2

we calculate the expected data using this formula

Expected data = (Row total * Column total)/Total

you can see below for DOT status yes and successful treatment, ...

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