From: Comparative study of four sigmoid models of pressure-volume curve in acute lung injury
 |  |  | Volume | Pressure | |||
---|---|---|---|---|---|---|---|
Model | Ref. | Equation | Lower asymptote | Upper asymptote | Inflection | LPMC | UPMC |
1 | 21 |
| a | a + b | c | c - 1.317d | c + 1.317d |
2 | 18 |
| 0 | b | c | c - 1.317d | c + 1.317d |
3 | 12 |
| 0 | V 0 | * | * | * |
4 | 11 |
| a | a + b |
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