Table 5.
Comparison of the validity of Tokuhashi and Tomita scores
|
Survival groups |
Scores |
No. of cases |
Survival period |
Hazard ratio |
Sig
†
|
|||
|---|---|---|---|---|---|---|---|---|
| Mean (95% CI) | Median (95% CI) | |||||||
| Tokuhashi |
Original |
1 |
12-15 |
12 |
37.1 (18.9 - 55.3) |
17.1 (5.9 - 28.2) |
- |
0.000 |
| 2 |
9-11 |
21 |
32.8 (18.6 - 47.0) |
10.7 (9.1 - 12.3) |
1.23 |
0.654 |
||
| 3 |
0-8 |
79 |
9.4 (6.6 - 12.3) |
5.3 (4.4 - 6.1) |
3.17 |
0.004 |
||
| Adjusted |
1 |
12-15 |
14 |
38.3 (21.6 - 54.9) |
17.1 (5.0 - 29.1) |
- |
0.000 |
|
| 2 |
9-11 |
27 |
26.9 (15.1 - 38.8) |
8.9 (3.0 - 14.8) |
1.67 |
0.222 |
||
| 3 |
0-8 |
71 |
9.0 (6.1 - 11.9) |
4.9 (4.1 - 5.6) |
3.56 |
0.001 |
||
| Regrouped |
1* |
10-15 |
31 |
36.5 (24.9 - 48.1) |
14.9 (5.3 - 24.5) |
- |
0.000 |
|
| 2* |
6-9 |
47 |
12.9 (8.4 - 17.3) |
6.2 (4.6 - 7.8) |
2.42 |
0.002 |
||
| 3* |
0-5 |
34 |
4.4 (3.3 - 5.5) |
3.9 (2.1 - 5.8) |
6.17 |
0.000 |
||
| Tomita |
Original |
1 |
2-3 |
12 |
53.6 (36.3 - 70.8) |
N/A |
- |
0.000 |
| 2 |
4-5 |
31 |
27.0 (16.2 - 37.8) |
10.0 (7.7 - 12.4) |
3.30 |
0.028 |
||
| 3 |
6-7 |
40 |
9.0 (5.7 - 12.4) |
5.3 (4.4 - 6.1) |
6.96 |
0.000 |
||
| 4 |
8-10 |
29 |
4.6 (3.2 - 6.0) |
3.3 (2.2 - 4.5) |
12.65 |
0.000 |
||
| Regrouped |
1* |
2-3 |
12 |
53.6 (36.3 - 70.8) |
N/A |
- |
0.000 |
|
| 2* |
4-5 |
31 |
27.0 (16.2 - 37.8) |
10.0 (7.7 - 12.4) |
3.33 |
0.027 |
||
| 3* |
6-8 |
57 |
8.2 (5.7 - 10.6) |
5.5 (4.5 - 6.5) |
7.65 |
0.000 |
||
| 4* | 9-10 | 12 | 2.4 (1.7 - 3.1) | 2.3 (1.7 - 2.9) | 42.62 | 0.000 | ||
*Reclassified groups after reorganization of prognostic scores. †P-value obtained by Cox regression; P <0.050 denotes statistical significance (Sig) N/A, estimation data not available due to the lack of uncensored cases. Dash means no value for parameter.