Table 3.
When Time is Fixed, Two Comparisons are Used for VAS and ODI Effects of Different Types
| Comparison | VAS | Comparison | ODI | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pre | PO | PO1M | PO3M | PO6M | Pre | PO | PO1M | PO3M | PO6M | ||||||||||||
| MD(I-J) | P values | MD(I-J) | P values | MD(I-J) | P values | MD(I-J) | P values | MD(I-J) | P values | MD(I-J) | P values | MD(I-J) | P values | MD(I-J) | P values | MD(I-J) | P values | MD(I-J) | P values | ||
| A.vs B | 0.296 | 1.000 | 0.074 | 1.000 | 0.435 | 0.851 | 0.315 | 1.000 | 0.065 | 1.000 | A.vs B | -0.020 | 1.000 | 0.008 | 1.000 | 0.003 | 1.000 | -0.002 | 1.000 | -0.010 | 1.000 |
| A.vs C | 0.546 | 0.312 | 0.157 | 1.000 | 0.394 | 1.000 | 0.481 | 0.771 | -0.102 | 1.000 | A.vs C | 0.019 | 1.000 | -0.003 | 1.000 | -0.006 | 1.000 | -0.001 | 1.000 | -0.007 | 1.000 |
| A.vs D | 0.296 | 1.000 | −1.593* | 0.023 | -1.148 | 0.110 | -0.852 | 0.396 | -1.185 | 0.104 | A.vs D | -0.008 | 1.000 | −0.104* | 0.011 | −0.101* | 0.011 | −0.121* | 0.001 | -0.070 | 0.104 |
| A.vs E | 0.296 | 1.000 | -0.926 | 0.152 | -0.315 | 1.000 | -0.185 | 1.000 | -0.685 | 0.431 | A.vs E | 0.026 | 1.000 | -0.023 | 1.000 | -0.022 | 1.000 | -0.023 | 1.000 | -0.034 | 0.917 |
| B.vs C | 0.250 | 1.000 | 0.083 | 1.000 | -0.042 | 1.000 | 0.167 | 1.000 | -0.167 | 1.000 | B.vs C | 0.039 | 1.000 | -0.012 | 1.000 | -0.009 | 1.000 | 0.002 | 1.000 | 0.003 | 1.000 |
| B.vs D | 0.000 | 1.000 | −1.667* | 0.026 | −1.583* | 0.012 | -1.167 | 0.087 | -1.250 | 0.108 | B.vs D | 0.011 | 1.000 | −0.112* | 0.009 | −0.104* | 0.015 | −0.118* | 0.002 | -0.061 | 0.352 |
| B.vs E | 0.000 | 1.000 | -1.000 | 0.178 | -0.750 | 0.407 | -0.500 | 1.000 | -0.750 | 0.456 | B.vs E | 0.046 | 0.981 | -0.031 | 1.000 | -0.025 | 1.000 | -0.020 | 1.000 | -0.024 | 1.000 |
| C.vs D | -0.250 | 1.000 | −1.750* | 0.026 | −1.542* | 0.025 | -1.333* | 0.045 | -1.083 | 0.334 | C.vs D | -0.028 | 1.000 | −0.100* | 0.040 | -0.095 | 0.054 | −0.120* | 0.003 | -0.063 | 0.358 |
| C.vs E | -0.250 | 1.000 | -1.083 | 0.175 | -0.708 | 0.722 | -0.667 | 0.683 | -0.583 | 1.000 | C.vs E | 0.007 | 1.000 | -0.020 | 1.000 | -0.015 | 1.000 | -0.022 | 1.000 | -0.027 | 1.000 |
| D.vs E | 0.000 | 1.000 | 0.667 | 1.000 | 0.833 | 1.000 | 0.667 | 1.000 | 0.500 | 1.000 | D.vs E | 0.034 | 1.000 | 0.081 | 0.241 | 0.079 | 0.236 | 0.098* | 0.038 | 0.037 | 1.000 |
Note: *The significance level of mean difference was 0.05.
Abbreviations: VAS, visual analog scale; ODI, Oswestry Disability Index; Pre, preoperative; PO, postoperative; PO1M, postoperative 1 month; PO3M, postoperative 3 month; PO6M, postoperative 6 month; MD, mean difference.