序贯器官衰竭评估 · 每24小时取最差值Sequential Organ Failure Assessment · worst value per 24h
1呼吸系统Respiratory0
PaO₂/FiO₂(有血气)PaO2/FiO2 (ABG)SpO₂/FiO₂(无血气估算)SpO2/FiO2 (no ABG, estimated)
按 Rice 等 2007年方法换算:S/F = 64 + 0.84×(P/F),反推 P/F ≈ (S/F−64)/0.84;仅用于血气不可及时的粗略估算Estimated via Rice et al. 2007: S/F = 64 + 0.84×(P/F), so P/F ≈ (S/F−64)/0.84; rough estimate only when ABG unavailable
2凝血系统Coagulation0
3肝脏Liver0
1 mg/dL = 17.1 µmol/L
4循环系统Cardiovascular0
血管活性药物剂量(µg/kg/min,持续≥1小时)— 留空表示未使用Vasopressor dose (µg/kg/min, ≥1h) — leave blank if not used
5中枢神经系统Central Nervous System0
6肾脏Renal0
取肌酐分与尿量分中较高者Uses whichever of creatinine/urine-output gives the higher score
SOFA 总分(0–24)Total SOFA (0–24)
0
解读要点:SOFA 最初用于描述器官功能障碍程度,而非直接的死亡率预测工具;不同队列研究得出的"分数—死亡率"对应关系差异较大(如总分>15时约90%住院死亡率,来自 Ferreira 2001 JAMA),本工具不提供逐分对应的死亡率细表以免误导。
按 Sepsis-3 标准:在可疑感染背景下,SOFA 较基线上升 ≥2 分即提示新发器官功能障碍;若无已知基础器官功能障碍,基线默认为0分。建议连续监测评分变化趋势,而非仅看单次绝对值。
Interpretation: SOFA was originally designed to describe organ dysfunction, not to precisely predict mortality — published score-to-mortality mappings vary meaningfully between cohorts (e.g. >15 ≈ 90% hospital mortality, Ferreira 2001 JAMA); this tool intentionally omits a granular per-point mortality table to avoid over-precision.
Per Sepsis-3: in the setting of suspected infection, a SOFA increase of ≥2 points from baseline indicates new organ dysfunction (assume baseline = 0 if no known prior dysfunction). Trend over serial measurements matters more than a single absolute value.