Table I.
Demographic and clinical characteristics of patients with increased uterine contractility according to term or preterm delivery
| Term delivery
(n=298) |
Preterm delivery
(n=474) |
p | |
|---|---|---|---|
| Maternal age (years) | 22
(14-40) |
23
(13-44) |
0.01 |
| Ethnic group (%) | |||
| African-American | 86.2 | 86.7 | |
| Caucasian | 10.4 | 10.5 | NS |
| Hispanic | 1.3 | 1.1 | |
| Asian | 0.3 | 0.6 | |
| Other | 1.7 | 1.1 | |
| Tocolysis | 76.2
(227/298) |
86.5
(410/474) |
<0.001 |
| Steroids | 47.7
(142/298) |
68.4
(324/474) |
<0.001 |
| Antibiotics | 41.3
(123/298) |
62.0
(294/474) |
<0.001 |
The results are expressed as percentage (proportions) and median (range).