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Epidural Analgesia for Labour: Comparing the Effects of Continuous Epidural Infusion (CEI) and Programmed Intermittent Epidural Bolus (PIEB) on Obstetric Outcomes

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Descriptive Statistics of Maternal, Labour and Newborn Characteristics by Groups (CEI / PIEB)

Study Group Mean Std. Deviation Std. Error Mean Sig. (2-tailed)
Age CEI 29.0 5.61 0.15 0.97
PIEB 29.0 5.73 0.16

Gravity CEI 3.7 2.82 0.08 0.79
PIEB 3.6 2.79 0.08

Parity CEI 3.2 2.45 0.07 0.59
PIEB 3.2 2.36 0.07

Gestational age CEI 39.4 1.46 0.04 0.06
PIEB 39.3 1.71 0.05

Birth Weight CEI 3326.7 452.2 12.14 0.62
PIEB 3317.8 477.6 13.21

1st Stage of labour (hours) CEI 8.8 6.33 0.18 0.13
PIEB 8.4 5.61 0.17

2nd Stage of labour (hours) CEI 0.8 0.96 0.03 0.91
PIEB 0.7 0.93 0.03

Duration of the First and Second Stages of Labour Depending on the Method of Epidural Analgesia Administration, Segmented to Nulliparous and Multiparous Parturients

N Mean (hours) Std. Deviation p-value (t-test)
Nulliparous 1st stage of labour CEI 334 10.84 6.03 0.64
PIEB 323 10.62 6.04

2nd stage of labour CEI 376 1.75 1.09 0.24
PIEB 360 1.66 1.06

Multiparous 1st Stage of labour CEI 853 7.98 6.26 0.12
PIEB 826 7.54 5.18

2nd Stage of labour CEI 944 0.35 0.52 0.22
PIEB 903 0.38 0.55

Descriptive Statistics of Maternal, Labour and Newborn Characteristics

Age Gravity Parity Gestational age (weeks) Birth Weight 1st Stage of labor (hours) 2nd Stage of labor (hours)
Mean 29.02 3.65 3.22 39.36 3322 8.6 0.75
Median 28 3 2 40 3330 7.4 0.3
Std. Deviation 5.66 2.8 2.4 1.59 464.64 5.99 0.95

Categorical Variables – Descriptive Statistics and χ2 Test

CEI PIEB Total P Value-Chi Square test
N (%) 1387 (51.4%) 1309 (48.6%) 2696 (100%)

Number of Births Nulliparous 406 (29.3%) 383 (29.3%) 789 (29.3%) 0.994
Multiparous 981 (70.7% 926 (70.7%) 1907 (70.7%)
Type of Delivery NVD 1211 (87.3%) 1162 (88.8%) 2373 (88.0%) 0.44
Vacuum 116 (8.4%) 101 (7.7%) 217 (8.0%)
CS 60 (4.3%) 46 (3.5%) 106 (3.9%)

Initiation of Delivery Spontaneous 1171 (84.4%) 1115 (85.2%) 2286 (84.8%) 0.586
Augmentation 216 (15.6%) 194 (14.8%) 410 (15.2%)

Birth Weight BW<4 kg 1299 (93.7%) 1224 (93.5%) 2523 (93.6%) 0.875
BW>=4 kg 88 (6.3%) 85 (6.5%) 173 (6.4%)

Any past CS No 1278 (92.1%) 1193 (91.1%) 2471 (91.7%) 0.347
Yes 109 (7.9%) 116 (8.9%) 225 (8.3%)

APGAR 1 Apgar<=7 52 (3.7%) 35 (2.7%) 87 (3.2) 0.114
Apgar>8 1335 (96.3%) 1274 (97.3%) 2609 (96.8%)

APGAR 5 Apgar<=7 15 (1.1%) 8 (0.6%) 23 (0.9%) 0.184
Apgar>8 1372 (98.9%) 1301 (99.4%) 2673 (99.1%)

Mode of Delivery Depending on the Method of Epidural Analgesia Administration, Segmented to Nulliparous and Multiparous Parturients

NVD Vacuum CS Total P Value-Chi Square test
Nulliparous CEI 292 (71.9%) 81 (20%) 33 (8.1%) 406 0.192
PIEB 295 (77%) 58 (15.1%) 30 (7.8%) 383

Multiparous CEI 919 (93.7%) 35 (3.6%) 27 (2.8%) 981 0.168
PIEB 867 (93.6%) 43 (4.6%) 16 (1.7%) 926
eISSN:
2502-0307
Langue:
Anglais