Table 3

Plasma cortisol levels (μg/dl)

Group
Initial
Weaning
48 hours extubation

Pressure support
25.8 ± 14
27 ± 17
22.9 ± 11
CPAP
22.4 ± 13
28.5 ± 6.9*
20.1 ± 9.6
T-piece
24.8 ± 12
30 ± 11**,†
26.2 ± 6.7*,†,‡

*P < 0.01, **P < 0.001 when compared with the initial level within the group. P < 0.05, pressure support group compared with T-piece group. P < 0.01, continuous positive airway pressure (CPAP) group compared with T-piece group.

Koksal et al. Critical Care 2004 8:R31   doi:10.1186/cc2413

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