Table 1.
Patient stratum | Survive to 12 months | Functional outcome at 12 months | |||
---|---|---|---|---|---|
Intervention | Control | Intervention | Control | ||
Always survivors | Yes | Yes | A | C | |
Mortality benefiters | Yes | No | B | Undefined | |
Always diers | No | No | Undefined | Undefined | |
Specials | No | Yes | Undefined | D |