Table 2.
Demographic profile of participants by category of the O3I.
| Categorical by O3I Quartile | Age Mean (SD) | Sex - Male% (x/n) | DNR% (x/n) |
|---|---|---|---|
| Q1 (O3I<4.0%) | 63.0 (18.9) | 64% (16/25) | 44% (11/25) |
| Q2 (4.0%<O3I<4.7%) | 71.0 (16.1) | 56% (14/25) | 28% (7/25) |
| Q3 (4.7<O3I<5.7%) | 79.8 (13.3) | 52% (13/25) | 52% (13/25) |
| Q4 (O3I≥5.7%) | 76.3 (12.7) | 64% (16/25) | 28% (7/25) |
| P-valuea | 0.0014 | 0.77 | 0.20 |
| Comparing O3I Q4 vs Q1–3 | |||
| Q1–3: O3I<5.7% | 71.3 (17.5) | 57.3% (43/75) | 41.3% (31/75) |
| Q4: O3I≥5.7% | 76.3 (12.7) | 64% (16/25) | 28% (7/25) |
| P-valuea | 0.19 | 0.56 | 0.23 |
a
F-test (age and O3I) or Chi-square test (sex, DNR and O3I).