Table 2 Acid-base analysis
pH < 7.35 | 7.35 ≤ pH ≤ 7.45 | pH > 7.45 | |
|---|---|---|---|
N | 64 | 281 | 55 |
Respiratory analysis | |||
Normocapnia, n (%) | 42 (66) | 238 (85) | 42 (76) |
Hypercapnia, n (%) | 18 (28) | 20 (7) | 2 (4) |
Hypocapnia, n (%) | 4 (6) | 23 (8) | 11 (20) |
Stewart analysis | |||
SIDa decreased, n (%): | 37 (58) | 101 (36) | 17 (31) |
Hyperchloremia | 25 | 66 | 10 |
Hyperlactatemia | 1 | 5 | 1 |
Hyperchloremia + hyperlactatemia | 11 | 11 | 0 |
Hyponatremia | 0 | 12 | 4 |
Other | 0 | 7 | 2 |
SIDa normal, n (%) | 25 (39) | 170 (61) | 33 (60) |
SIDa increased, n (%): | 2 (3) | 10 (4) | 5 (9) |
Hypochloremia | 1 | 4 | 2 |
Hypernatremia | 0 | 0 | 0 |
Other | 1 | 6 | 3 |
SIG increased, n (%): | 23 (36) | 60 (21) | 6 (11) |
Total weak acids, n (%): | |||
Hyperphosphatemia | 3 (5) | 7 (2) | 1 (2) |
Hypoalbuminemia: | 36 (56) | 137 (49) | 25 (55) |
Traditional analysis | |||
BE decreased, n (%): | 33 (52) | 16 (6) | 1 (2) |
AG corrected increased | 28 | 11 | 0 |
BE normal, n (%): | 31 (48) | 215 (77) | 25 (46) |
AG corrected increased | 13 | 81 | 8 |
BE increased, n (%): | 0 (0) | 50 (18)a | 29 (53) |
AG corrected increased | 0 | 15 | 9 |