Table 2 Blood glucose result data by prior hyperglycaemia category.
From: Dysglycaemia and the interaction of chronic and acute glycaemia with mortality post cardiac surgery
Characteristic | HBA1C Level | p-values | ||||
|---|---|---|---|---|---|---|
Control1 | Diabetes1 | HbA1c <6.5%1 | HbA1c 6.5–7.9%1 | HbA1c ≥ 8.0%1 | ||
Median Number of Blood Tests | 30 (22, 47) | 29 (23, 46) | 28 (22, 43) | 33 (24, 55) | 38 (25, 61) | <0.0014 <0.0015 0.0026 |
Median Number of Blood Tests/24hrs | 23 (19, 30) | 24 (21, 27) | 23 (19, 28) | 25 (22, 31) | 26 (22, 31) | <0.0014 <0.0015 0.0536 |
Mean BG Level | 6.83 (6.49, 7.20) | 7.51 (7.00, 8.14) | 6.83 (6.50, 7.21) | 7.42 (6.92, 8.02) | 7.79 (7.14, 8.46) | <0.0014 <0.0015 <0.0016 |
Peak BG Level | 9.56 (8.67, 10.83) | 11.72 (10.06, 13.81( | 9.50 (8.67, 10.72) | 11.56 (10.06, 13.50) | 13.06 (11.06, 15.39) | <0.0014 <0.0015 <0.0016 |
Minimum BG Level | 4.56 (4.00, 5.11) | 4.56 (4.00, 5.11) | 4.61 (4.06, 5.11) | 4.50 (3.83, 5.00) | 4.28 (3.67, 4.94) | <0.0014 <0.0015 0.0036 |
Coefficient of Variation | 19 (15, 24) | 24 (20, 30) | 19 (15, 23) | 25 (20, 30) | 28 (23, 34) | <0.0014 <0.0015 <0.0016 |
Median A1c | 5.70 (5.40, 6.00) | 6.90 (6.30, 7.80) | 5.70 (5.40, 5.90) | 7.00 (6.70, 7.40) | 8.90 (8.30, 10.00) | <0.0014 <0.0015 <0.0016 |
Cumulative Dose of Hyperglycaemia | 0.05 (0.21) | 0.24 (0.41) | 0.03 (0.18) | 0.21 (0.37) | 0.41 (0.50) | <0.0014 <0.0015 <0.0016 |
Number of Hyperglycaemic Events | <0.0014 <0.0015 <0.0016 | |||||
0 | 4,040 (61%) | 594 (24%) | 4,133 (61%) | 395 (23%) | 106 (13%) | |
1 | 679(10%) | 275 (11%) | 708 (11%) | 188(11%) | 55 (6.8%) | |
2 | 498 (7.4%) | 259 (10%) | 542(8.1%) | 161 (9.5%) | 54 (6.6%) | |
3 | 1,503 (22%) | 1,399 (55%) | 1,347 (20%) | 949 (56%) | 606 (74%) | |
Number of Hypoglycaemic Events | <0.0014 <0.0015 0.0446 | |||||
0 | 5,210 (78%) | 1,956 (77%) | 5,390 (80%) | 1,224 (72%) | 552 (67%) | |
1 | 436 (6.4%) | 209 (8.3%) | 437 (6.5%) | 130 (7.7%) | 78 (9.5%) | |
2 | 340 (5.1%) | 135 (5.3%) | 319 (4.7%) | 105 (6.2%) | 51 (6.2%) | |
3 | 731 (11%) | 227 (9.0%) | 584 (8.7%) | 234 (14%) | 140 (17%) | |