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Journal of Chinese Integrative Medicine ›› 2008, Vol. 6 ›› Issue (12): 1311-1314.doi: 10.3736/jcim20081221

• Medical Statistice • Previous Articles     Next Articles

How to do linear correlation and regression analysis correctly

Hui Gao, Liang-ping Hu(), Chang-ping Li, Jin Guo   

  1. Consulting Center of Biomedical Statistics, Academy of Military Medical Sciences, Beijing 100850, China
  • Received:2008-09-11 Online:2008-12-20 Published:2008-12-15

Key words: statistics, medicine, statistical analysis, regression analysis

CLC Number: 

  • 212

"

患者编号 胰岛素含量(mU/L) 血糖含量(mmol/L)
1 24 8
2 17 9
3 18 11
4 12 12
5 15 12
6 121 13
7 10 14

"

月龄(月) 阴性率(%)
0 100.00
1 98.20
2 95.23
3 89.96
4 80.00
5 68.75
6 56.43
7 35.29
8 28.57
9 18.18
10 12.67

"

年份 患病率(%) 肿大率(%)
1988 1.52 8.20
1989 1.23 6.13
1990 0.34 5.64
1991 0.40 6.40
1992 0.39 3.13
1993 0.39 1.79
1994 0.19 2.25

"

肽段种类 18O/16O理论值 18O/16O实际观测值
1∶5 1∶4 1∶3 1∶2 1∶1 2∶1 3∶1 4∶1 5∶1
A 0.22 0.24 0.34 0.52 1.01 2.11 2.86 3.93 4.59
B 0.24 0.26 0.38 0.60 1.00 2.25 3.05 3.76 4.65
C 0.20 0.29 0.33 0.52 1.02 2.06 3.70 4.30 5.35
D 0.22 0.29 0.34 0.51 1.00 1.90 3.20 4.00 4.89
18O/16O均值 0.22 0.27 0.35 0.54 1.01 2.08 3.20 3.99 4.87
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