Table 2 Post cardiac arrest laboratory tests according to CPR duration
Laboratory tests | Total | CPR duration | P-value | |
|---|---|---|---|---|
≤ 40 min (n = 29) | > 40 min (n = 19) | |||
PH a | 7.03 (6.8–7.15) | 7.0 (6.8–7.2) | 7.12 (6.9–7.2) | 0.225 |
PH ≤ 7.03 | 23/47 (48.9) | 16 (57.1) | 7 (36.8) | 0.172 |
PH > 7.03 | 24/47 (51.1) | 12 (42.9) | 12 (63.2) |  |
PaCO2 (mmHg) a | 38 (31–47) | 40 (32.2–47) | 35 (26–46) | 0.182 |
PaCO2 ≤ 38 | 24/47 (51.1) | 13 (46.4) | 11 (57.9) | 0.440 |
PaCO2 > 38 | 23/47 (48.9) | 15 (53.6) | 8 (42.1) |  |
PO2 (mmHg) b | 301.5 (164.2–4.11) | 311 (142-419.5) | 292 (167-415-460) | 0.850 |
PO2 ≤ 301 | 22/44 (50) | 12 (48) | 10 (52.6) | 0.761 |
PO2 > 301 | 22/44 (50) | 13 (52) | 9 (47.4) |  |
HCO3 (mEq/L) c | 10 (7.17–16.3) | 9.7 (6.9–16.2) | 10 (8.2–17.3) | 0.468 |
HCO3 ≤ 10 | 25/46 (54.4) | 15 (55.6) | 10 (52.6) | 0.845 |
HCO3 > 10 | 21/46 (45.6) | 12 (44.4) | 9 (47.4) |  |
Lactate (mmol/L) a | 18 (11.5–23) | 18.5 (13.6–23.7) | 16 (9.6–23) | 0.268 |
Lactate ≤ 18 | 27/47 (57.5) | 14 (50) | 13 (68.4) | 0.210 |
Lactate > 18 | 20/47 (42.5) | 14 (50) | 6 (31.6) |  |
INR d | 2.2 (1.4–3.8) | 3.1 (1.6–5.9) | 1.6 (1.4–2.4) | 0.057 |
INR ≤ 2.2 | 16/31 (51.6) | 6 (37.5) | 10 (66.7) | 0.156 |
INR > 2.2 | 15/31 (48.4) | 10 (62.5) | 5 (33.3) |  |
Troponin (ng/ml) e | 4680 (242-10000) | 2061 (152.5-82.93) | 5758 (1235.5-11768) | 0.145 |
Troponin ≤ 4680 | 14/27 (51.9) | 8 (61.5) | 6 (42.9) | 0.332 |
Troponin > 4680 | 13/27 (48.2) | 5 (38.5) | 8 (57.1) |  |
Creatinine (µmol/L) f | 150 (126.5–197) | 149 (127–197) | 154 (123.7-194.5) | 0.864 |
Creatinine ≤ 150 | 21/41 (51.2) | 13 (56.5) | 8 (44.4) | 0.443 |
Creatinine > 150 | 20/41 (48.8) | 10 (43.5) | 10 (55.6) |  |