TABLE 1.
Clinical characteristics of enrolled children with and without Lyme disease
| Parameter | Value(s) for children with or without Lyme disease |
|
|---|---|---|
| With (N = 127) | Without (N = 400) | |
| Median age, yr (interquartile range) | 9 (6, 14) | 9 (6, 13) |
| Male gender [no./total no. (%)] | 86/127 (68) | 202/400 (51) |
| Female gender [no./total no. (%)] | 41/127 (32) | 198/400 (49) |
| Race [no./total no. (%)] | ||
| White | 118/126 (93) | 313/388 (81) |
| Black | 5/126 (4) | 44/388 (11) |
| Asian | 2/126 (2) | 12/388 (3) |
| Other | 1/126 (1) | 19/388 (5) |
| Hispanic | 11/126 (9) | 68/397 (17) |
| Presentation during peak Lyme seasona [no./total no. (%)] | 103/127 (81) | 320/400 (80) |
| Early (single EM lesion) [no./total no. (%)] | 13/127 (10) | NAb |
| Early disseminated [no./total no. (%)] | 55/127 (44) | 212/400 (53) |
| Multiple EM lesions (no.) | 2 | NA |
| Facial palsy (no.) | 21 | 28 |
| Meningitis (no.) | 26 | 181 |
| Carditis (no.) | 6 | 3 |
| Late (arthritis) [no./total no. (%)] | 59/127 (46) | 167/400 (42) |
| Nonspecific symptoms [no./total no. (%)] | NA | 21/400 (5) |
a
Peak Lyme season defined as June to October.
b
NA, not applicable.