Table 2.

Interventions of PS and T-piece included in the meta-analysis

Study	PS	T-piece
Esteban 1997 Koh 2000 Haberthur 2002 Matic 2004 Matic 2007	PS 7 cm H2O 2 h PS 15 cm H2O, decrease 3–5 cm H2O/h PS 5 cm H2O, PEEP 5 cm H2O 2 h PS 8 cmH2O 2 h PS 18 cm H2O, decrease 2–4 cm H2O/time to 5 cm H2O	T-piece 2 h T-piece 1 h T-piece 2 h T-piece 2 h T-piece 2 h
Zhang 2014	PS 5 cm/H2O, PEEP 5 cm H2O, FiO2 30% 30 min	T-piece 4 L/min 30 min
Teixeira 2015 Chittawatanarat 2018 Santos Pellegrini 2018 Subira 2019	PS 7 cm H2O, PEEP 5–8 cm H2O, FiO2 ≤ 45% 30–90 min PS 5–7 cm H2O, PEEP 5 cm H2O, FiO2 40% 120 min PS 10 cm H2O 30 min PS 8 cmH2O, PEEP 0 30 min	T-piece 30–90 min T-piece 10–15 L/min 120 min T-piece 30 min T-piece 2 h