Table 1.
Caregiver demographics, alongside paired patient demographics
| Usual care cohort (n = 89) | Intervention cohort (n = 81) | p value | |
|---|---|---|---|
| Caregiver demographics | |||
| Relationship with patient, n (%) | 0.47 | ||
| Partner or spouse | 66 (74.2) | 54 (66.6) | |
| Child or grandchild | 16 (18) | 13 (16.1) | |
| Parent | 3 (3.3) | 8 (9.9) | |
| Other | 4 (4.5) | 6 (7.4) | |
| Age, years, median (IQR) | 58.0 (47.7–69.0) | 58.0 (48.0–66.3) | 0.88 |
| Gender, male, n (%) | 32 (36.0) | 30 (37.0) | 0.79 |
| Socio-economic status | 0.50 | ||
| SIMD 1 (most deprived) | 25 (28.1) | 20 (24.7) | |
| SIMD 2 | 19 (21.3) | 19 (23.4) | |
| SIMD 3 | 12 (13.5) | 16 (19.8) | |
| SIMD 4 | 12 (13.5) | 7 (8.6) | |
| SIMD 5 (least deprived) | 19 (21.3) | 11 (13.6) | |
| Patient demographics | |||
| Age at ICU admission, median (IQR) | 63.9 (49.7–71.4) | 58.7 (51.1–67.7) | 0.16 |
| Gender, male, number (%) | 50 (56.2) | 41 (50.6) | 0.33 |
| ICU LOS, days, median (IQR) | 4.75 (2.4–9.6) | 11.3 (7.0–19.7) | < 0.01 |
| Hospital LOS, days, median (IQR) | 19.0 (11.2–33.5) | 32.0 (17.0–51.7) | < 0.01 |
| APACHE II, median (IQR) | 19.0 (14.9–25.0) | 19.0 (15.0–26.0) | 0.49 |
| Mental health issues pre-ICU, n (%) | 20 (22.5) | 21 (25.9) | 0.72 |
| Ventilation required, n (%) | 76 (85.4) | 77 (95.1) | 0.12 |
| Two or more comorbidities, n (%) | 42 (47.2) | 34 (42) | 0.34 |
| Surgical admission | 42 (47.2) | 31 (38.3) | 0.17 |
| Time to follow-up, median months (IQR) | 15.0 (13.1–16.5) | 16.0 (14.8–17.5) | < 0.01 |
Missing data information available in Additional file 2: S2
IQR interquartile range, SIMD Scottish Index of Multiple Deprivation, ICU Intensive Care Unit, LOS length of stay, APACHE II Acute Physiology and Chronic Health Evaluation