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. Author manuscript; available in PMC: 2021 Sep 28.
Published in final edited form as: Chest. 2008 Jul 18;134(3):497–506. doi: 10.1378/chest.08-0117

Table 2–

Oxygen Use at Enrollment (n = 1,215)*

Baseline Pao2, mm Hg
Oxygen Use ≤ 55 56 to 60 >60
None 4 (1.5) 7 (3.9) 226 (29.4)
Intermittent 22 (8.3) 43 (23.6) 283 (36.8)
Continuous 238 (90.2) 132 (72.5) 260 (33.8)
*

Data are presented as No. (% of patients in similar Pao2 group).