Table 5.
Analysis of decrease below 10% and 20% relative to regional cerebral oxygen saturation (rScO2) preoperative (10% and 20% decrease) and postoperative cognitive dysfunction (POCD) at discharge and at 3 months in cardiac surgery patients. 95% CI, 95% confidence interval for odds ratio; OR: odds ratio.
|
POCD at discharge (%) |
||
|
10% decrease |
No |
Yes |
| No | 16 (69.6) | 7 (30.4) |
| Yes | 93 (71.5) | 37 (28.5) |
| Total | 109 | 44 |
| χ2P=0.85, OR to develop POCD with 10% decrease=0.91 (95% CI 0.35; 2.40) | ||
|
POCD at discharge (%) |
||
|
20% decrease |
No |
Yes |
| No | 58 (73.4) | 21 (26.6) |
| Yes | 51 (68.9) | 23 (31.1) |
| Total | 109 | 44 |
| χ2P=0.54, OR to develop POCD with 20% decrease=1.25 (95% CI 0.62; 2.51) | ||
|
POCD at 3 months (%) |
||
|
10% decrease |
No |
Yes |
| No | 22 (95.7) | 1 (4.3) |
| Yes | 114 (91.2) | 11 (8.8) |
| Total | 136 | 12 |
| Fisher's exact P=0.69, OR to develop POCD with 10% decrease=2.12 (95% CI 0.26; 17.29) | ||
|
POCD at 3 months (%) |
||
|
20% decrease |
No |
Yes |
| No | 70 (92.1) | 6 (7.9) |
| Yes | 66 (91.7) | 6 (8.3) |
| Total | 136 | 12 |
| χ2P=0.92, OR to develop POCD with 20% decrease=1.06 (95% CI 0.33; 3.45). | ||