Table 1 Optimum PEEP as determined by a decremental PEEP titration optimizing each of the listed titration targets (A). Optimal titration target value achieved in each condition (B)

11.0 (4.2)*^‡

17.3 (4.3)^†††

12.8 (2.4)^‡‡

16.7 (2.1)

10.8 (3.3)*^‡‡‡

18.8 (2.0)^†

13.0 (2.3)^‡‡

16.7 (2.1)

11.0 (3.6)**^‡

19.0 (2.0)^††

12.3 (5.0)^‡

14.3 (3.7)

11.0 (2.5)***^‡

16.5 (2.8)^††

11.3 (4.3)

14.8 (3.6)

18.3 (2.4)*

19.5 (1.2)^{†††‡‡}

18.3 (1.5)

19.4 (1.2)

17.8 (2.3)

17.5 (2.5)

17.8 (2.3)

17.3 (3.4)

6.3 (2.0)***^†‡‡‡

6.3 (3.0)^†††

7.0 (2.3)^‡‡

9.1 (4.5)

47.7 (11.3)*^†

39.6 (12.9)^†

62.7 (17.8)^‡

57.2 (21.3)

14.3 (2.9)^*†‡

17.0 (3.8)

12.6 (2.5)

14.6 (2.8)

34.6 (6.6)^†

29.4 (6.3)^†‡

40.8 (10.1)

34.4 (6.6)

196.0 (54.2)*^‡

148.7 (36.3)^†

145.0 (59.8)

118.1 (33.1)

1335 (360)*

693 (161)^†‡

1277 (374)

970 (256)

442 (130)

249 (139)

454 (130)

386.0 (147.2)

3.7 (0.7)*

3.7 (0.7)^†‡

3.5 (0.5)^‡

3.8 (0.5)