Table 1

Baseline characteristic of the pregnant women studied

Characteristics
Midline episiotomy (n = 426)
Medio-lateral episiotomy (n = 876)

Age (yr, median, min-max)
28 (16–44)
26 (12–47)
Weight before delivery (kg, median, range)
64 (44.3–93.2)
64.8 (45.4–96.3)
Height (cm, mean ± SD)
156.7 ± 5.0
156. ± 5.2
Gravidity (No., mean ± SD))
1.9 ± 0.9
1.7 ± 0.9
Nulliparous (No., %)
206 (48.4)
488 (55.7)
Multiparous (No., %)
220 (51.6)
388 (44.3)
Gestational age (wks, mean ± SD)
38.7 ± 1.3
38.9 ± 1.2
Duration of 2nd stage (min, median, min-max)
13 (1–111)
14 (1–140)
Baby birth weight (gm, mean ± SD)
3,104.4 ± 346.5
3,147 ± 383.9
Birth asphyxia. (No., %) (Apgar score at one minute ≤ 7)
14(3.3)
64(7.3)
Suture's time (min, mean ± SD)
22.75 ± 11.40
26.15 ± 12.89
Estimate blood loss (ml, median, min-max)
200 (50–1,000)
200 (50–900)
Type of delivery. (No., %)


     1. normal delivery
379 (88.9)
734(84.8)
     2. forceps extraction
22 (5.7)
49(5.6)
     3. vacuum extraction
25 (5.9)
84(9.6)
Delivery performed by (No., %)


     1. intern
5(1.2)
57(6.5)
     2. resident
155(36.4)
725(82.8)
     3. staff
266(62.4)
94(10.7)
Suture material. (No., %)


     1. polyglycolic acid
28(6.6)
57(6.5)
     2. non polyglycolic acid
369(86.7)
816(93.2)
     3. combined
29(6.8)
3(0.3)
Antibiotic prophylaxis at LR (No., %)
28(6.6)
44(5.1)

Sooklim et al. Reproductive Health 2007 4:10   doi:10.1186/1742-4755-4-10