This data set contains the cardiovascular responses to a passive head-up tilt for 223 subjects.
Usage
data(LASERI)
Format
A data frame with 223 observations on the following 32 variables.
Sex
a factor with levels Female and Male.
Age
Age in years.
Height
Height in cm.
Weight
Weight in kg.
Waist
Waist circumference in cm.
Hip
Hip circumference in cm.
BMI
Body mass index.
WHR
Waist hip ratio.
HRT1
Average heart rate in the tenth minute of rest.
HRT2
Average heart rate in the second minute during the tilt.
HRT3
Average heart rate in the fifth minute during the tilt.
HRT4
Average heart rate in the fifth minute after the tilt.
COT1
Average cardiac output in the tenth minute of rest.
COT2
Average cardiac output in the second minute during the tilt.
COT3
Average cardiac output in the fifth minute during the tilt.
COT4
Average cardiac output in the fifth minute after the tilt.
SVRIT1
Average systemic vascular resistance index in the tenth minute of rest.
SVRIT2
Average systemic vascular resistance index in the second minute during the tilt.
SVRIT3
Average systemic vascular resistance index in the fifth minute during the tilt.
SVRIT4
Average systemic vascular resistance index in the fifth minute after the tilt.
PWVT1
Average pulse wave velocity in the tenth minute of rest.
PWVT2
Average pulse wave velocity in the second minute during the tilt.
PWVT3
Average pulse wave velocity in the fifth minute during the tilt.
PWVT4
Average pulse wave velocity in the fifth minute after the tilt.
HRT1T2
Difference HRT1 - HRT2.
COT1T2
Difference COT1 - COT2.
SVRIT1T2
Difference SVRIT1 - SVRIT2.
PWVT1T2
Difference PWVT1 - PWVT2.
HRT1T4
Difference HRT1 - HRT4.
COT1T4
Difference COT1 - COT4.
SVRIT1T4
Difference SVRIT1 - SVRIT4.
PWVT1T4
Difference PWVT1 - PWVT4.
Details
This data is a subset of hemodynamic data collected as a part of the LASERI
study (English title: “Cardivascular risk in young Finns study”) using
whole-body impedance cardiography and plethysmographic blood pressure
recordings from fingers. The data given here comes from 223 healthy subjects
between 26 and 42 years of age, who participated in the recording of the
hemodynamic variables both in a supine position and during a passive head-up
tilt on a motorized table. During that experiment the subject spent the
first ten minutes in a supine position, then the motorized table was tilted
to a head-up position (60 degrees) for five minutes, and for the last five
minutes the table was again returned to the supine position.
Of interest in this data is for example if the values 5 minutes after the
tilt are already returned to their pre-tilt levels.
# for example testing if the location before the tilt is the same as
# 5 minutes after the tilt:
data(LASERI)
DIFFS.T1T4 <- subset(LASERI,select=c(HRT1T4,COT1T4,SVRIT1T4))
rank.ctest(DIFFS.T1T4)
rank.ctest(DIFFS.T1T4, score="s")
Results
R version 3.3.1 (2016-06-21) -- "Bug in Your Hair"
Copyright (C) 2016 The R Foundation for Statistical Computing
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> library(ICSNP)
Loading required package: mvtnorm
Loading required package: ICS
> png(filename="/home/ddbj/snapshot/RGM3/R_CC/result/ICSNP/LASERI.Rd_%03d_medium.png", width=480, height=480)
> ### Name: LASERI
> ### Title: Cardiovascular Responses to Head-up Tilt
> ### Aliases: LASERI
> ### Keywords: datasets
>
> ### ** Examples
>
> # for example testing if the location before the tilt is the same as
> # 5 minutes after the tilt:
> data(LASERI)
> DIFFS.T1T4 <- subset(LASERI,select=c(HRT1T4,COT1T4,SVRIT1T4))
> rank.ctest(DIFFS.T1T4)
Marginal One Sample Signed Rank Test
data: DIFFS.T1T4
T = 151.82, df = 3, p-value < 2.2e-16
alternative hypothesis: true location is not equal to c(0,0,0)
> rank.ctest(DIFFS.T1T4, score="s")
Marginal One Sample Sign Test
data: DIFFS.T1T4
T = 161.31, df = 3, p-value < 2.2e-16
alternative hypothesis: true location is not equal to c(0,0,0)
>
>
>
>
>
> dev.off()
null device
1
>