 |
|
|
Prognostic Factors Based on the WHO Scoring System
|
Prognostic Factor
|
Score
|
|
Age
|
| <39 |
0 |
| >39 |
1 |
|
Antecedent pregnancy
|
| hydatidiform mole |
0 |
| abortion |
1 |
| term |
2 |
|
Interval between end of antecedent pregnancy and start of chemotherapy
|
| <4 mo |
0 |
| 4–6 mo |
1 |
| 7–12 mo |
2 |
| >12 mo |
4 |
|
hCG (IU/mL)
|
| <1000 |
0 |
| 1,000–10,000 |
1 |
| 10,000–100,000 |
2 |
| >100,000 |
4 |
|
ABO groups (female × male)
|
| O × A or A × O |
1 |
| B or AB |
2 |
|
Largest tumor, including uterine
|
| 3–5 cm |
1 |
| >5 cm |
2 |
|
Site of metastases
|
| spleen, kidney |
1 |
| gastrointestinal tract or liver |
2 |
| brain |
4 |
|
Number of metastases identified
|
| 1–4 |
1 |
| 4–8 |
2 |
| >8 |
4 |
|
Prior chemotherapy
|
| single drug |
2 |
| 2 or more drugs |
4 |
|
|
|
