Table.
Comparison of basic characteristics among patients who developed Kawasaki disease during 2017-2019 and in 2020 (N = 4596)
| Characteristics | Survey period |
P value† | |
|---|---|---|---|
| 2017-2019 (N = 3738) | 2020 (N = 858) | ||
| Weeks, n (%)∗ | |||
| 1-10 | 753 (20) | 201 (24) | .03 |
| 11-20 | 763 (21) | 186 (22) | |
| 21-30 | 700 (19) | 126 (15) | |
| 31-40 | 669 (18) | 144 (17) | |
| 41-52 | 819 (22) | 189 (22) | |
| Sex, n (%) | |||
| Male | 2115 (57) | 472 (55) | .40 |
| Female | 1623 (43) | 386 (45) | |
| Age, y, median (IQR) | 2 (1-3) | 2 (1-3) | <.01‡ |
| Age, y, n (%) | |||
| <1 | 711 (19) | 209 (24) | <.01 |
| 1–5 | 2747 (73) | 578 (67) | |
| 6–10 | 261 (7) | 65 (8) | |
| ≥11 | 19 (1) | 6 (1) | |
| Day of illness at first hospital visit | |||
| Median (IQR) | 4 (3-5) | 4 (3-5) | .09‡ |
| 1-4, n (%) | 2481 (66) | 573 (67) | .64 |
| 5-7, n (%) | 1147 (31) | 266 (31) | |
| 8-10, n (%) | 93 (2) | 15 (2) | |
| ≥11, n (%) | 17 (0) | 4 (0) | |
| Number of principal signs of Kawasaki disease | |||
| 5 or 6 (complete Kawasaki disease) | 3077 (82) | 692 (81) | .25 |
| ≤4 (incomplete Kawasaki disease) | 661 (18) | 166 (19) | |
∗
Excluding 46 patients who developed Kawasaki disease in week 53.
†
χ2 test.
‡
Mann–Whitney U test.