Table 1

Demographic characteristics of 91 individuals tested for Bartonella spp. using the BAPGM platform, by collection group

Demographic characteristicGroup 1: 1 collection in 1 wkaGroup 2: 3 collections in 1 wkPb
Male25 (45.5)14 (38.9)0.53
Female30 (54.5)22 (61.1)
Age (yr)42.0 (30–53)c38.0 (28–50)c0.40
Length of symptoms (mo)24 (0–60)c3 (0–42)c0.48
Chronically ill (self-reported)22 (40.0)17 (47.2)0.42
Animal contact39 (70.9)31 (86.1)0.21
Tick exposure38 (69.1)29 (80.6)0.41
Flea exposure38 (69.1)28 (77.8)0.39
Prior antibiotic therapy21 (38.2)16 (44.4)0.41
Balance problems20 (36.4)16 (44.4)0.43
Shortness of breath15 (27.3)14 (38.9)0.31
Blurred vision19 (34.5)13 (36.1)0.32
Confusion17 (30.9)14 (38.9)0.39
Depression16 (29.1)15 (41.7)0.29
Bowel/bladder dysfunction14 (25.5)11 (30.5)0.40
Difficulty remembering22 (40.0)18 (50.0)0.38
Insomnia20 (36.4)16 (44.4)0.40
Disorientation8 (14.5)7 (19.4)0.39
Fatigue32 (58.2)23 (63.9)0.38
Headaches26 (47.3)15 (41.7)0.18
Irritability26 (47.3)17 (47.2)0.31
Joint pain28 (50.9)20 (55.6)0.39
Loss of sensation/numbness23 (41.8)17 (47.2)0.41
Muscle pain20 (36.4)17 (47.2)0.36
Muscle weakness20 (36.4)17 (47.2)0.36
Paralysis4 (7.3)2 (5.6)0.38
Sleeplessness27 (49.1)20 (55.6)0.41
Syncope8 (14.5)6 (16.7)0.41
Tremors/shakes9 (16.4)12 (33.3)0.12
Weight loss4 (7.3)11 (30.6)0.01d
Previous consultation with a:
    Neurologist15 (27.3)16 (44.4)0.18
    Infectious disease doctor11 (20.0)13 (36.1)0.16
    Rheumatologist6 (10.9)10 (27.8)0.08
    Endocrinologist7 (12.7)7 (19.4)0.34
    Psychiatrist1 (1.8)2 (5.6)0.25
  • a Values shown are n (%) unless otherwise specified.

  • b The Fisher exact test was used when the cell size was <5. The nonparametric Mann-Whitney U test was used for nonnormally distributed continuous variables.

  • c Continuous variables are reported as medians (interquartile ranges).

  • d Statistically significant difference.