Table 3.
Comparison of gas tension, electrolyte variables, and glucose in lumbar CSF between control and DM groups
| Control group (n = 24) | DM group (n = 25) | Adjusted p value | |
|---|---|---|---|
| pH | 7.43 ± 0.02 (7.42, 7.45) | 7.44 ± 0.03 (7.43, 7.44) | 0.415 |
| pCO2 (mmHg) | 34.61 ± 4.90 (32.54, 36.68) | 31.41 ± 3.77 (29.85, 32.97) | 0.012* |
| pO2 (mmHg) | 122.61 ± 23.46 (112.74, 132.52) | 126.35 ± 16.91 (119.39, 133.32) | 0.165 |
| (mEq/L) | 23.48 ± 2.32 (7.39, 7.42) | 21.24 ± 2.37 (7.39, 7.42) | 0.023* |
| BE (mEq/L) | 0.35 ± 1.60 (−0.32, 1.03) | −1.58 ± 1.95 (−2.41, −0.76) | 0.014* |
| BUN | 10.96 ± 2.40 (10.14, 12.13) | 16.64 ± 12.23 (11.59, 21.69) | 0.262 |
| Na+ (mEq/L) | 137.17 ± 1.81 (136.39, 137.49) | 136.20 ± 2.89 (135.09, 137.42) | 0.331 |
| K+ (mEq/L) | 2.75 ± 0.08 (2.71, 2.78) | 2.80 ± 0.13 (2.75, 2.86) | 0.485 |
| Cl− (mEq/L) | 121.79 ± 1.86 (121.03, 122.62) | 120.84 ± 2.27 (119.89, 121.82) | 0.379 |
| Ca2+ (mEq/L) | 0.98 ± 0.03 (0.97, 0.99) | 0.99 ± 0.04(0.98, 1.01) | 0.422 |
| Mg2+ (mEq/L) | 0.78 ± 0.03 (0.76, 0.79) | 0.76 ± 0.04 (0.74, 0.78) | 0.971 |
| Glucose (mg/dL) | 55.04 ± 5.90 (52.55, 57.53) | 83.20 ± 23.75 (73.39, 93.00) | 0.013* |
| Lac (mmol/L) | 1.12 ± 0.13 (1.05, 1.19) | 1.31 ± 0.27 (1.18, 1.43) | 0.598 |
BE: base excess; Lac: lactate.
Data are reported as mean ± standard deviation (95% CI).
p value is adjusted for age, gender, weight, and height.
*p < 0.05 when compared with the control group.