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Journal of Chinese Integrative Medicine ›› 2010, Vol. 8 ›› Issue (12): 1195-1198.doi: 10.3736/jcim20101213

• Meaical Statistics • Previous Articles     Next Articles

Statistical inference and experimental design of univariate quantitative data of paired design

Liang-ping Hu,Xiao-lei Bao,Qi Wang   

  1. Consulting Center of Biomedical Statistics, Academy of Military Medical Sciences, Beijing 100850, China
  • Received:2010-10-14 Accepted:2010-10-20 Online:2010-12-20 Published:2010-12-15
  • Contact: Liang-ping Hu E-mail:lphu812@sina.com

Key words: Statistics,medical, Matched-pair analysis, Univariate quantitative data, Statistical inference

"

Patient number Score of sleep quality
Before treatment After treatment
1 2.08 1.08
2 2.3 2.46
33 2.36 0.67
34 2.28 1.01

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Moments
n 34 Sum weights 34
Mean -1.455 588 2 Sum observations -49.49
Standard deviation 0.685 141 84 Variance 0.469 419 34
Skewness 0.524 267 55 Kurtosis 0.267 830 31
Uncorrected sum of square 87.527 9 Corrected sum of square 15.490 838 2
Coefficient variation -47.069 757 Standard error mean 0.117 500 86

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ocation Variability
Mean -1.455 59 Standard deviation 0.685 14
Median —1?625 00 Variance 0.469 42
Mode -1.690 00 Range 3.040 00
Interquartile range 0.810 00

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Test Statistic P value
Student5 s t t -12.387 9 Pr>\t\ <0.000 1
Sign M -16 Pr^|M| <0.000 1
Signed rank S —295.5 Pr>\S\ <0.000 1

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Test Statistic P Value
Shapiro-Wilk 0.966 382 Pr<W 0.369 2
Kolmogorov-Smirnov D 0.118 567 Pr>D >0.150 0
Cramer-von Mises W-Sq 0.075 303 Pr>W-Sq 0.235 8
Anderson-Darling A-Sq 0.475 535 Pr>A-Sq 0.231 4

"

Patient number Score of global quality of life
Before treatment After treatment
1 4.63 5.69
2 5.51 6.52
47 4.09 4.24
48 4.78 6.43
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[1] Liang-ping Hu , Xiao-lei Bao, Chen-long Lü . How to choose an appropriate experimental design type (Part 2). Journal of Chinese Integrative Medicine, 2012, 10(7): 738-742.
[2] Liang-ping Hu, Xiao-lei Bao. How to choose an appropriate experimental design type (Part 1). Journal of Chinese Integrative Medicine, 2012, 10(6): 615-618.
[3] Liang-ping Hu, Xiao-lei Bao, Li-xin Tao. Statistical inference and experimental design of univariate qualitative data of paired design. Journal of Chinese Integrative Medicine, 2011, 9(1): 109-112.
[4] LP Hu, XL Bao. Statistical inference and experimental design of univariate quantitative data of single-group design (part one). Journal of Chinese Integrative Medicine, 2010, 8(9): 888-892.
[5] LP Hu, XL Bao. Statistical expression and description of univariate quantitative data of single-group design (part two). Journal of Chinese Integrative Medicine, 2010, 8(8): 790-793.
[6] Liang-ping Hu, Chun-yan Hu, Xiao-lei Bao. Statistical expression and description of univariate quantitative data of single-group design (part one). Journal of Chinese Integrative Medicine, 2010, 8(7): 684-686.
[7] Liang-ping Hu , Xiao-lei Bao, Xue Guan. Statistical inference and experimental design of univariate qualitative data of single-group design. Journal of Chinese Integrative Medicine, 2010, 8(11): 1085-1089.
[8] LP Hu, XL Bao. Statistical inference and experimental design of univariate quantitative data of single-group design (part two). Journal of Chinese Integrative Medicine, 2010, 8(10): 985-988.
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