TABLE 1

Comparison Between Study Patients With and Without Lyme Disease

Patient CharacteristicsLyme Disease (N = 238)Not Lyme Disease (N = 783)P
Age, ya9 (6–13)9 (5–13).74
Male sex, n (%)143 (60.1)418 (53.4)<.001
Race, n (%)b.001
 White208 (87.4)518 (66.2)
 African American12 (5.0)84 (10.7)
 Other13 (5.5)80 (10.2)
Hispanic ethnicity, n (%)c22 (9.2)117 (14.9).017
Clinical presentation, n (%)<.001
 EM lesion42 (17.6)n/a
 Early disseminated82 (34.5)397 (50.7)
 Late114 (47.9)353 (45.1)
 Nonspecificn/a33 (4.2)
Pretreated with antibiotics, n (%)103 (43.3)256 (32.7).013
Previous Lyme disease, n (%)53 (22.3)113 (14.4).001
Recent known tick bite, n (%)d37 (15.5)64 (8.2).003
Hospitalized, n (%)75 (31.5)185 (23.6).012
  • n/a, not applicable.

  • a Median (interquartile range).

  • b Missing race (n = 106).

  • c Missing ethnicity (n = 89).

  • d Missing previous tick bite (n = 115).