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Comparison of major genetic group and place of birth among patients infected with low-copy-number isolates
| Birth | No. (%)
|
P | ||
|---|---|---|---|---|
| All patients | Group 1a | Group 2a | ||
| U.S. born | 241 (63.9) | 13 (16.9) | 228 (76.0) | <0.01 |
| Foreign born | 129 (34.2) | 61 (79.2) | 68 (22.7) | <0.01 |
| Unknown | 7 (1.9) | 3 (3.9) | 4 (1.3) | 0.15b |
| Total | 377 | 77 (20.4) | 300 (79.6) | |
Defined by Sreevatsan et al. (18).
Fisher's exact, two-tailed test.
