Table 2.
Patients’ characteristics in subgroups
| INVOS n = 13 | Root O3 n = 14 | |||||
|---|---|---|---|---|---|---|
| ROSC n = 7 | nROSC n = 6 | P | ROSC n = 7 | nROSC n = 7 | P | |
| Age, (mean ± CI*) | 69.6 (53-86.2) | 60.5 (52.7–68.3) | 0.44 | 62 (38.7–85.3) | 77 (62.2–91.8) | 0.33 |
| Male, n( %*) | 4 (66.7) | 3 (50) | 1.00 | 5 (100) | 4 (66.7) | 0.46 |
| Bystander CPR, n( %) | 4 (57.1) | 6 (100) | 0.19 | 6 (85.7) | 6 (85.7) | 1.00 |
| No flow time, min (mean ± CI) | 0.8 (0.4–1.2) | 1.3 (0.7–1.9) | 0.20 | 1.2 (0,3-2.1) | 2.8 (0-5.7) | 0.36 |
| Shockable rhythm, n (%) | 2 (28.6) | 2 (33.3) | 1.00 | 5 (71.4) | 2 (28.6) | 0.29 |
| Time to ambulance, min (mean ± CI) | 12.8 (9.9–15.7) | 7.8 (5-10.6) | 0.03 | 10.6 (8-13.2) | 11.4 (7.3–15.5) | 0.73 |
| Time to hospital, min (mean ± CI) | 43.3 (32-54.6) | 50.0 (42.5–57.5) | 0.29 | 47.3 (35.2–59.4) | 50.2 (43.2–57.2) | 0.71 |
| Adrenalin, mg (mean ± CI) | 2.7 (1.2–4.2) | 5.5 (3.5–7.5) | 0.06 | 5 (3–7) | 4.9 (2.6–7.2) | 0.93 |
| Dilatated pupils, n (%) | 3 (42.9) | 4 (66.7) | 0.59 | 5 (71.4) | 6 (100) | 0.46 |
| rSO2, %(mean ± CI**) | 54 (40.3–67.7) | 28 (12.3–43.7) | 0.04 | 50 (46.5–53.5) | 41 (36.3–45.7) | 0.02 |
| ETCO2, kPa (mean ± CI***) | 5.1 (3.3–6.9) | 4.6 (2.8–6.4) | 0.68 | 3.3 (2.8–3.8) | 2.6 (1.9–3.3) | 0.19 |
*Number of patients in the INVOS group 12 and in ROOT O3 group 11. **Number of patients in INVOS group 11, ROOT O3 group 13. *** Number of patients in INVOS group 11, in ROOT O3 group 10 patients