Table 1.
Baseline characteristics for infants with a history of antenatal hydronephrosis stratified by receipt of early antibiotic prophylaxis.
| No prophylaxis (n=337) | Prophylaxis (n=157) | Overall (n=494) | P-value | |
|---|---|---|---|---|
|
| ||||
| Sex | 0.322 | |||
| Male | 244 (72%) | 121 (77%) | 365 (74%) | . |
| Female | 93 (28%) | 36 (23%) | 129 (26%) | . |
|
| ||||
| Race | ||||
| White | 154 (46%) | 75 (48%) | 229 (46%) | -- |
| Black | 26 (7.7%) | 5 (3.2%) | 31 (6.3%) | |
| Other | 73 (22%) | 33 (21%) | 106 (21%) | |
| Unknown | 84 (25%) | 44 (28%) | 128 (26%) | |
|
| ||||
| Insurance | 0.744 | |||
| Private | 244 (73.3%) | 112 (71.8%) | 356 (72.8%) | . |
| Public | 89 (26.7%) | 44 (28.2%) | 133 (27.2%) | . |
| Unknown | 4 (1.2%) | 1 (0.64%) | 5 (1.0%) | |
|
| ||||
| Circumcision status(n=365 males) | ||||
| Uncircumcised | 51/244 (23%) | 26/121 (22%) | 77 (21%) | -- |
| Circumcised | 98/244 (40%) | 87/121 (72%) | 185 (51%) | |
| Unknown | 95/244 (39%) | 8/121 (6.6%) | 103 (28%) | |
|
| ||||
| UTD risk | <0.001 | |||
| Normal/low risk | 218 (65%) | 36 (23%) | 254 (51%) | |
| Medium/high risk | 119 (35%) | 121 (77%) | 240 (49%) | |