Table 5 Comparison of arterial blood gas parameters between the two groups
Variable | LPLC group (n = 62) | SPLC group (n = 62) | Difference (95%CI) | P § |
|---|---|---|---|---|
pH pre † | 7.41(0.04) | 7.40(0.38) | -0.012 (-0.029 ~ 0.002) | 0.08¶ |
PaCO2 pre | 38.4(26.5 ~ 56.0) | 38.0(25 ~ 56) | 0.00002 (-2 ~ 2) | 0.986 |
HCO3 pre | 24.0(18.0 ~ 33.9) | 23.3(17.2 ~ 30.9) | -0.6 (-1.7 ~ 0.4) | 0.213 |
Lactate pre | 1.07(0.5 ~ 2.7) | 1.1(0.5-3.0) | 0.00005 (-0.2 ~ 0.1) | 0.885 |
BE pre † | 0.219(2.58) | -0.490(2.56) | -0.7 (-1.6 ~ 0.3) | 0.125¶ |
pH post | 7.36(7.14 ~ 7.46) | 7.36(7.28 ~ 7.42) | -0.013 (-0.03 ~ 0.003) | 0.127 |
PaCO2 post | 43.3(31.3 ~ 85.3) | 43.0(27 ~ 63) | 0.1 (-2.2 ~ 2.3) | 0.988 |
HCO3 post | 24.4(20 ~ 33.9) | 23.6(16.5 ~ 31.7) | -0.8 (-1.7 ~ 0.2) | 0.139 |
BE post | -0.6(-6.9 ~ 7.5) | -1.9(-6.6 ~ 5.4) | -0.9 (-1.8 ~ -0.1) | 0.031 |
Lactate post | 0.87(0.4 ~ 2.9) | 0.95(0.5 ~ 3.0) | 0.1 (0 ~ 0.2) | 0.162 |
pH post/pH pre † | 0.993(0.007) | 0.993(0.006) | 0 (-0.002 ~ 0.002) | 0.813¶ |
PCO2 post/PCO2 pre | 1.14(0.89 ~ 1.81) | 1.13(0.69 ~ 1.80) | 0.01 (-0.051 ~ 0.066) | 0.857 |
HCO3 post/HCO3 pre | 1.02(0.90 ~ 1.20) | 1.00(0.69 ~ 1.28) | -0.01 (-0.031 ~ 0.014) | 0.489 |
BE post/BE pre | 0.97(-7 ~ 10.67) | 1.02(-8 ~ 22) | 0.003 (-0.389 ~ 0.354) | 0.886 |
Lactate post/Lactate pre | 0.81(0.39 ~ 2.36) | 0.90(0.40 ~ 1.71) | 0.086 (0 ~ 0.183) | 0.065 |
pH post-pH pre | 0.0495 (-0.2 ~ 0.1) | 0.0445 (-0.2 ~ 0.1) | 0.00002 (-0.017 ~ 0.016) | 0.944 |