how many stitches are in a patient for each stitch what is the difference between a control and treatment stitch if the patient needs more stitches than the procedure, the observation unit should be: which variable of an experiment is used for the test of a patient? what's the definition of technique how to analyze patient observation with treatment what is the variable that represents the patient that is tested in a controlled study what is procedure type in a patient chart how to analyze procedure type in r why should procedures be included in a variable how to analyze sample data what is a procedure type how to analyze a patient data set what is the variable that is used in a patient test what is the difference between treatment and observation why do patients use different stitches in the same stitch pattern how to analyze sample size how to use the procedure type and control variable how can you test a surgical technique in a patient how do you analyze patient stitching