Table 2.
Mental and physical component score of SF-12 at baseline and 6 months among patients with and without ARDS
| ARDS (n = 26) | Non-ARDS (n = 41) | P value for between-patient comparisona | |
|---|---|---|---|
| SF-12 MCS baseline - mean ± SD | 46.9 ± 12.4 | 48.9 ± 11.2 | 0.50 |
| SF-12 MCS 6 months - mean ± SD | 49.7 ± 12.2 | 51.3 ± 10.7 | 0.56 |
| SF-12 MCS delta (difference in means) | 2.7 (95 % CI −5.8, 5.2) | 2.4 (95 % CI −5.6, 5.0) | 0.9 |
| P value for within-patient comparisonb | 0.23 | 0.13 | |
| SF-12 PCS baseline - mean ± SD | 35.7 ± 12.7 | 41.1 ± 13.3 | 0.11 |
| SF-12 PCS 6 months - mean ± SD | 32.8 ± 12.3 | 37.8 ± 12.3 | 0.11 |
| SF-12 PCS delta (difference in means) | −3 (95 % CI −6.1, 5.5) | −3.3 (95 % CI −6.1, 5.4) | 0.9 |
| P value for within-patient comparisonb | 0.2 | 0.07 |
aIndependent t test; bpaired t test. ARDS acute respiratory distress syndrome, MCS mental component score, PCS physical component score, SF-12 12-Item Short Form Survey