Question

As your business expands, you recruit an additional 50 patients who undergo the same testing, but are provided a different intervention. What is the best test to compare the Post-Test results from your two different groups of 50 patients? - Between Group Variability Analysis - Paired t-test - Unequal Variance t-test A 70-year-old male former smoker (quit in the last 3 months) was diagnosed with chronic obstructive pulmonary disease (COPD). He complains that shortness of breath and tightness within his chest during activities of daily living has ultimately led him to quit smoking and seek guidance for exercise. He does not exercise regularly and has reported that he has been sedentary for the past year. Both of his parents are still alive and healthy. He is not currently on any medication but does use a bronchodilator whenover he needs it to treat his shortness of breath. Height = 68 in weight - 174 Ib. BMI = 26.5 kg - m⁻² RHR = 78 bpm, rosting BP = 134178 mm Hg. Total serum cholesterol = 189 mg L⁻¹ HOL 31 mg dt-1, FBG = 92 mg dL⁻¹ Your goal with this client is to improve their aerobic capability, which of the following is the most appropriato test to track improvements in this individual? a. Spirometer b. Blood flow ultrasound c. Anaerobic threshold d. Maximal heart rate

Answer 1

The Aspin-Welch t-test or Unequal Variance t-test is best for comparing two different patient groups. The Anaerobic Threshold test would be most appropriate for monitoring improvements in a COPD patient's aerobic capacity.

Step-by-step explanation:

In the context of the first part of your question regarding comparing the post-test results from two different groups of 50 patients, the Aspin-Welch t-test or Unequal Variance t-test would be the most appropriate. These tests are used when comparing two independent population means with unknown and possibly unequal population standard deviations.

For the second part concerning the 70-year-old former smoker diagnosed with COPD, the best test to track improvements in his aerobic capability would be the measurement of the Anaerobic Threshold. This test would help understand the point at which lactic acid starts to accumulate in the bloodstream, signifying the shift from aerobic to anaerobic metabolism, which could offer insights into his aerobic capacity and improvements in it over time.

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