Stata如何做cubic spine图
横轴:Number of nodes examined;纵轴:Log hazard ratio
Number of nodes examined | Survival months | Sensored | Age | Gender |
18 | 13 | 1 | 33 | Male |
11 | 8 | 1 | 63 | Female |
6 | 5 | 1 | 73 | Male |
16 | 6 | 1 | 63 | Male |
12 | 4 | 1 | 68 | Male |
11 | 16 | 1 | 65 | Male |
8 | 30 | 1 | 51 | Male |
12 | 26 | 1 | 74 | Male |
2 | 11 | 1 | 72 | Female |
3 | 3 | 0 | 72 | Male |
2 | 5 | 1 | 69 | Male |
5 | 15 | 1 | 66 | Male |
4 | 68 | 1 | 59 | Male |
1 | 16 | 1 | 54 | Female |
4 | 46 | 1 | 54 | Male |