Table 4.
Result of multiple regression analysis with the Delirium Rating Scale, Revised-98-Thai (DRS) scores at day 1, day 2 or day 3 as dependent variables and immune/cytokine profiles and baseline DRS scores as explanatory variables
| Dependent variables | Explanatory variables | B | t | p | F model | df | p | R2 |
|---|---|---|---|---|---|---|---|---|
| #1 DRS day 1 | Model | - | - | - | 14.42 | 6/58 | < 0.001 | 0.599 |
| DRS—baseline | 0.527 | 6.12 | < 0.001 | |||||
| IL-8—day 1 | 0.383 | 3.80 | < 0.001 | |||||
| CIRS—day 1 | -0.362 | -2.42 | 0.019 | |||||
| T cell growth—day 1 | 0.477 | 3.11 | 0.003 | |||||
| IL-4—day 1 | -0.526 | -3.06 | 0.003 | |||||
| TNF-α—day 1 | 0.331 | 2.58 | 0.012 | |||||
| # 2 DRS day 2 | Model | 12.04 | 3/58 | < 0.001 | 0.384 | |||
| DRS—baseline | 0.413 | 3.98 | < 0.001 | |||||
| Th1—day 2 | 0.486 | 4.33 | < 0.001 | |||||
| IL-4—day 2 | -0.236 | -2.09 | 0.041 | |||||
| #3 DRS day 2 | Model | 8.46 | 3/60 | < 0.001 | 0.297 | |||
| Age | 0.2665 | 2.21 | 0.031 | |||||
| Th1—day 1 | 0.288 | 2.65 | 0.010 | |||||
| DRS—baseline | 0.275 | 2.29 | 0.026 | |||||
| #4 DRS day 3 | Model | 11.99 | 2/62 | < 0.001 | 0.279 | |||
| IRS/CIRS—day 2 | 0.369 | 3.41 | 0.001 | |||||
| DRS—baseline | 0.348 | 3.22 | 0.002 | |||||
| #5 Mean DRS days 1–3 | Model | 14.78 | 3/60 | < 0.001 | 0.425 | |||
| DRS—baseline | 0.414 | 3.83 | < 0.001 | |||||
| Age | 0.300 | 2.77 | 0.008 | |||||
| T cell growth—day 1 | 0.222 | 2.26 | 0.027 |
IL interleukin, IRS/CIRS immune-inflammatory response system / compensatory immunoregulatory system, TNF tumor necrosis factor, Th T helper