Labor characteristics
|
|
|
|
Induction of labor |
300 (52.9) |
992 (60.4) |
<0.01 |
Artificial rupture of membranes |
391 (69.0) |
1,161 (70.7) |
0.44 |
Oxytocin use |
476 (84.0) |
1475 (89.8) |
<0.01 |
Maximum oxytocin dose |
12 (6-18) |
14 (8-20) |
<0.01 |
High dose oxytocin (>20 mu/min) |
100 (21.0) |
395 (25.8) |
0.01 |
Prostaglandin use |
124 (21.9) |
363 (22.1) |
0.91 |
Magnesium use |
50 (8.8) |
143 (8.7) |
0.93 |
Chorioamnionitis |
35 (6.2) |
61 (3.7) |
0.01 |
Terbutaline |
25 (4.4) |
85 (5.2) |
0.47 |
Labor Length (hrs) |
12.1 (8.2-16.8) |
12.5 (8.7-18.3) |
0.07 |
Duration of 1st stage (hrs) |
10.0 (6.4-15.0) |
11.0 (7.3-16.4) |
<0.01 |
Duration of 2nd stage (min) |
29 (16-54) |
26
(13-51) |
0.02 |
Labor duration >24hrs |
57 (10.1) |
182 (11.1) |
0.51 |
Prolonged 2nd stage (≥3hrs) |
19 (3.4) |
36 (2.2) |
0.15 |
Tachysystole in last 30 minutes |
87 (15.3) |
22 (1.3) |
<0.01 |
Mode of delivery
Spontaneous vaginal
Operative vaginal
Cesarean delivery
|
527 (93.0)
38 (6.7)
2 (0.4)
|
1490 (90.7)
113 (6.9)
40 (2.4)
|
<0.01
|
aElevated tone defined as >
75th percentile
*Data presented as N(%), Mean ± SD, or Median (IQR)
|
aElevated tone defined as >
75th percentile
*Data presented as N(%), Mean ± SD, or Median (IQR)
|
aElevated tone defined as >
75th percentile
*Data presented as N(%), Mean ± SD, or Median (IQR)
|
aElevated tone defined as >
75th percentile
*Data presented as N(%), Mean ± SD, or Median (IQR)
|