Table 2. Unadjusted mean (s.d.) HRQoL scores at the four assessment times, by baseline CT scan result (negative or indeterminate).
| N | T0 | T1 | T2 | T3 |
|---|---|---|---|---|
| 630 | 641 | 620 | 600 | |
| Mean (s.d.) | Mean (s.d.) | Mean (s.d.) | Mean (s.d.) | |
| SF-12 (PCS) | ||||
| Total group | 49.5 (8.7) | 50.0 (8.2) | ||
| Negative | 49.7 (8.4) | 50.3 (8.3) | ||
| Indeterminate | 48.5 (9.6) | 48.9 (7.8) | ||
| SF-12 (MCS) | ||||
| Total group | 51.9 (10.3) | 51.6 (11.1) | ||
| Negative | 51.9 (10.2) | 51.6 (11.1) | ||
| Indeterminate | 51.8 (10.6) | 51.9 (11.0) | ||
| EQ-5D, VAS | ||||
| Total group | 79.3 (13.7) | 78.3 (12.9) | 79.1 (12.3) | 78.4 (13.7) |
| Negative | 79.4 (13.8) | 78.7 (12.6) | 79.4 (12.2) | 79.2 (13.4) |
| Indeterminate | 79.1 (13.4) | 76.8 (13.8) | 78.3 (12.5) | 75.0 (14.5) |
| STAI-6 | ||||
| Total group | 33.2 (8.6) | 34.6 (8.6) | 32.7 (8.8) | 33.0 (9.2) |
| Negative | 33.1 (8.4) | 34.4 (8.5) | 32.5 (8.8) | 32.6 (9.2) |
| Indeterminate | 33.6 (9.3) | 35.2 (8.9) | 33.5 (8.9) | 34.8 (9.2) |
| IES total score | ||||
| Total group | 4.2 (7.2) | 5.9 (9.1) | 4.5 (7.8) | 3.6 (7.5) |
| Negative | 4.1 (7.4) | 5.8 (9.1) | 4.5 (7.7) | 2.4 (5.5) |
| Indeterminate | 4.5 (6.5) | 6.3 (9.1) | 4.9 (8.4) | 8.3 (11.3) |
| IES intrusive | ||||
| Total group | 1.8 (3.4) | 2.5 (4.0) | 1.8 (3.6) | 1.4 (3.3) |
| Negative | 1.7 (3.5) | 2.4 (4.0) | 1.8 (3.5) | 0.8 (2.4) |
| Indeterminate | 2.0 (3.0) | 2.7 (4.0) | 2.0 (3.8) | 3.5 (5.2) |
| IES avoidance | ||||
| Total group | 2.4 (4.5) | 3.5 (5.6) | 2.7 (4.7) | 2.2 (4.7) |
| Negative | 2.4 (4.7) | 3.4 (5.6) | 2.7 (4.7) | 1.5 (3.7) |
| Indeterminate | 2.5 (4.1) | 3.6 (5.7) | 2.9 (4.9) | 4.8 (6.9) |
Abbreviations: T0=before trial randomisation, ie baseline HRQoL assessment; T1=1 week before the baseline CT scan; T2=1 day after the baseline CT scan; T3=2 months after the baseline CT scan; s.d.=standard deviation; SF-12=Short Form 12 (generic HRQoL); PCS=physical component summary; MCS=mental component summary; EQ-5D VAS=EuroQol questionnaire, visual analogue scale; STAI-6=Spielberger State-Trait Anxiety Inventory 6, IES=Impact of Event Scale.