Table 1 Characteristics of patients with and without ICD-10-CM codes for dengue
Patients with ICD-10-CM codes for Dengue (A90, A91) | Patients without ICD-10-CM codes for Dengue (B34.9, A83, R50, A92 to A99) | Statistical test | P-value | |
|---|---|---|---|---|
N = 216 | N = 144 | |||
Year of diagnosis | ||||
2010, n (%) | 86 (40) | 73 (51) | Chi-square test | 0.042 |
2013, n (%) | 130 (60) | 71 (49) | ||
Median Length of Stay (IQR), day | 3 (2) | 2.5 (2) | Mann-Whitney U test | < 0.001 |
Age, year | ||||
Mean (SD) | 37 (15) | 28 (18) | Student’s T-test | < 0.001 |
Minimum | 3 | 1 | ||
Maximum | 79 | 74 | ||
Gender | ||||
Male, n (%) | 118 (55) | 76 (53) | Chi-square test | 0.730 |
Female, n (%) | 98 (44) | 68 (47) | ||
Ethnicity | ||||
Malay, n (%) | 115 (53) | 58 (40) | Chi-square test | 0.015 |
Chinese, n (%) | 50 (23) | 55 (38) | ||
Indian, n (%) | 30 (14) | 21 (15) | ||
Others, n (%) | 21 (10) | 10 (7) | ||
Clinical manifestation | ||||
Bleeding, n (%) | 44 (20) | 9 (6) | Chi-square test | < 0.001 |
Visceral signs, n (%) | 105 (49) | 22 (15) | Chi-square test | < 0.001 |
Low platelet count, n (%) | 95 (44) | 7 (5) | Chi-square test | < 0.001 |
Raised hematocrit, n (%) | 16 (7) | 0 (0) | Chi-square test | 0.001 |
Organ impairment, n (%) | 15 (7) | 9 (6) | Chi-square test | 0.796 |
Dead at discharge, n (%) | 1 (0.5) | 0 (0.0) | Chi-square test | 0.414 |