3-S versions | Low risk | Intermediate risk | High risk |
---|---|---|---|
Original 3-S version | 1.0–1.4 | 1.5–2.4 | 2.5–3.0 |
Modified 3-S version | 1.0 | 1.1–2.0 | 2.1–3.0 |
Hybrid 3-S version | 1.0–1.4 | 1.5–2.0 | 2.1–3.0 |
4-S versions | Low risk | InterM-low risk | InterM-high risk | High risk |
---|---|---|---|---|
Original 4-S version | 1.0–1.4 | 1.5–2.4 | 2.5–3.4 | 3.5–4.0 |
Modified 4-S version | 1.0 | 1.1–2.0 | 2.1–3.0 | 3.1–4.0 |
Hybrid 4-S version | 1.0–1.4 | 1.5–2.4 | 2.5–3.0 | 3.1–4.0 |