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. Author manuscript; available in PMC: 2013 Aug 1.
Published in final edited form as: Am Heart J. 2008 Aug 27;156(5):982–988. doi: 10.1016/j.ahj.2008.06.024

Figure 1.

Figure 1

Individual Kaplan-Meier analyses for LVEF, NYHA class and resting PETCO2 thresholds

Resting PETCO2: ≤/>33 mmHg
Group Characteristics Subjects meeting criteria Major Cardiac Events Percent Event Free
A >33 mmHg 237 54 77.2%
B ≤ 33 mmHg 116 50 56.9%
Log rank: 16.3, p<0.001
NYHA class: I/II vs. III/IV
Group Characteristics Subjects meeting criteria Major Cardiac Events Percent Event Free
A I/II 196 41 79.1%
B III/IV 157 63 59.9%
Log rank: 16.3, p<0.001
LVEF: ≤/>25%
Group Characteristics Subjects meeting criteria Major Cardiac Events Percent Event Free
A >25% 216 48 77.8%
B ≤25% 137 56 59.1%
Log rank: 18.0, p<0.001