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Table 3 Minimum absolute detectable differences for the change in glycosylated hemoglobin, systolic and diastolic blood pressure, and triglyceride for sample sizes of 366 and 320 correspondingly, 5% loss-to-follow-up rate with 80% power and 5% level of significance, for the Nepal Pioneer Worksite Intervention Trial

From: Nepal Pioneer Worksite Intervention Study to lower cardio-metabolic risk factors: design and protocol

 

Minimum absolute detectable difference

N = 366

N = 320

Parameter

Std. Dev.

ρ∗=0.5

ρ∗=0.6

ρ∗=0.7

Independent samples

Glycated hemoglobin, %

0.38

0.06

0.05

0.045

0.12

Diastolic blood pressure, mmHg

9.43

1.4

1.3

1.1

3

Systolic blood pressure, mmHg

13.32

2

1.8

1.6

4.3

Triglycerides, mg/dL

82.47

12.5

11.2

9.7

26.6

  1. *Correlation between the changes of the same individual observed during control and treatment periods of time
  2. Standard deviations are calculated from the baseline data of the study participants
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BMC Cardiovascular Disorders

ISSN: 1471-2261

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