Obstetric factors | Low (<85) (n = 18) | High (85 or more) (n = 8) | P-value* |
Time duration (hour) |
|
|
|
Whole labor | 12.8 (6.9) | 13.1 (3.2) | 0.879 |
Stage 1-1 | 4.8 (3.8) | 8.6 (3.3) | 0.024* |
Stage 1-2 | 6.8 (6.0) | 3.8 (0.8) | 0.052 |
Stage 2 | 1.1 (1.3) | 0.6 (0.3) | 0.203 |
Labor pain intensity (NRS score) |
|
|
|
At the time of 4 - 6 cm of cervical dilatation | 6.6 (2.4) | 8.8 (3.4) | 0.071 |
At full cervical dilation | 13.8 (4.6) | 15.4 (5.5) | 0.448 |
Immediate after delivery | 3.2 (3.1) | 3.4 (2.7) | 0.906 |
Accumulated labor pain intensity |
|
|
|
Whole labor Stage 1-1 | 93.9 (72.0) 16.7 (18.0) | 88.7 (24.2) 33.5 (9.8) | 0.846 0.021* |
Stage 1-2 | 60.0 (56.2) | 46.3 (20.4) | 0.514 |
Stage 2 | 17.2 (25.9) | 8.8 (3.3) | 0.195 |