Table 2 Comparation of baseline characteristics between training dataset and validation dataset
Variable | Training N = 1335 (80%) | Testing N = 333 (20%) | P-value£ |
|---|---|---|---|
Sex(%) | |||
   Man | 697 (52.2) | 182 (54.7) | 0.460 |
   Women | 638 (47.8) | 51 (45.3) | |
Age(years) | 57 (45, 69) | 59 (48, 69) | 0.176 |
Length of stay(days) | 9 (6, 13) | 9 (6, 13) | 0.460 |
Type of diabetes(%) | |||
   Type 1 diabetes | 138 (10.3) | 24 (7.2) | 0.105 |
   Type 2 diabetes | 1197 (89.7) | 309 (92.8) | |
Course of diabetes | 4 (1, 10) | 4 (0, 10) | 0.770 |
Infection(%) | 365 (27.3) | 90 (27.0) | 0.963 |
Mechanical ventilation(%) | 80 (6.0) | 27 (8.1) | 0.199 |
Hypoglycemia(%) | 79 (5.9) | 18 (5.4) | 0.821 |
Hypokalemia(%) | 442 (33.1) | 104 (31.2) | 0.557 |
MSOF(%) | 51(3.8) | 15 (4.5) | 0.678 |
AKI(%) | 49 (3.7) | 16 (4.8) | 0.425 |
First 24 h insulin dosage | 30 (10, 44) | 40 (30, 55) | 0.140 |
First 24 h infusion volume | 3300 (2100, 5400) | 3000 (2000, 5000) | 0.155 |
BMI | 22.9 (20.9, 24.5) | 23 (21, 25.2) | 0.220 |
CCI | 3 (2, 4) | 3 (2, 4) | 0.113 |
Hyperglycemic crisis type(%) | |||
   DKA | 1097 (82.2) | 282 (84.7) | 0.147 |
   HHS | 95 (7.1) | 27 (8.1) | |
   DKA&HHS | 143 (10.7) | 24 (7.2) | |
Glucose level before treatment | 23 (18, 30.5) | 23.2 (18.3, 30.4) | 0.981 |
   HbA1c | 11.2 (9.76, 13.1) | 11.3 (10, 13) | 0.968 |
   pH | 7.29 (7.21, 7.3) | 7.28 (7.21, 7.3) | 0.539 |
   ABE | -8.7 (-16.6, -3.15) | -9.1 (-16.4, -3) | 0.966 |
   AB | 15.2 (10, 20.0) | 15.3 (10, 20.8) | 0.897 |
   AG | 17 (13.8, 21.8) | 17 (14, 20.2) | 0.954 |
   Crea | 66 (51, 94.9) | 66.7 (51.6, 93.7) | 0.729 |
   Na+ | 138 (135, 141) | 138 (135, 141) | 0.453 |
   K+ | 4.02 (3.70, 4.5) | 4.1 (3.72, 4.5) | 0.357 |
   EPOP | 306 (299, 316) | 306 (300, 315) | 0.989 |
   Inpatient death | 99 (7.4%) | 22 (6.6%) | 0.6957 |