Table 1.
Demographic characteristics and EKG and CXR findings
| Uninfected controls (N = 17) | T. cruzi-infected participants | |||
|---|---|---|---|---|
| Stage A (N = 21) | Stage B (N = 20) | Stage C (N = 27) | ||
| Median age (IQR) | 18 (17–20) | 33 (26–37) | 39 (33–44) | 50 (46–57) |
| Female, n (%) | 12 (71) | 18 (86) | 14 (70) | 12 (44) |
| Heart rate median (IQR)* | 71 (65–77) | 67 (63–71) | 68 (59–74) | 68 (57–81) |
| PR interval median (IQR)† | 153 (150–160) | 155 (148–160) | 157 (129–166) | 182 (151–192) |
| QRS duration median (IQR) | 85 (82–90) | 89 (83–92) | 143 (120–158) | 124 (112–154) |
| CTI median (IQR)‡ | 45.9 (43.1–48.6) | 45.5 (43.0–46.4) | 44.5 (41.6–46.6) | 57.7 (57.1–57.9) |
*
In beats per minute.
†
In milliseconds.
‡
Cardiothoracic index (CTI) in percentage.
IQR = interquartile range; PR.