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Table 1 Characteristics of 548 women with obstructed labour in Mbale hospital

From: Incidence and determinants of perinatal mortality among women with obstructed labour in eastern Uganda: a prospective cohort study

Variable Perinatal death
Yes (n = 56) No (n = 492)
Mean maternal weight (SD) 62 (10) 65 (12)
Mean maternal height (SD) 155 (15) 158 (10)
Mean fetal heart rate on admission (SD) 115 (55) 138 (13)
Mean maternal age (SD) 24 (7) 24 (6)
 <  20 years (n, %) 21 (38) 133 (27)
 20–35 years (n, %) 31 (55) 334 (68)
 >  35 years (n, %) 4 (7) 25 (5)
Median duration of labour, hours (IQR) 24.4 (15.4–40.9) 28.8 (18.7–42.5)
Gravidity (n, %)
 Prim para 29 (52) 266 (54)
 Gravida 2 to 4 17 (30) 162 (33)
 Gravid 5+ 10 (18) 64 (13)
Use of traditional medicine (n, %)
 Yes 43 (77) 272 (55)
 No 13 (23) 218 (45)
History of referral (n, %)
 Yes 48 (86) 300 (61)
 No 8 (14) 192 (39)
History of rupture of membranes (n, %)
 Yes 51 (91) 395 (80)
 No 5 (9) 97 (20)
Maternal venous lactate, mmol/L
At base line 8.3 (5–14) 6.3 (3.3–12)
  Normal lactate (<=4.8) 12 (21) 205 (41)
  High lactate (>  4.8) 44 (79) 287 (59)
Myometrial blood lactatea 10.9 (6.4–18.2) 6.4 (3.4–13)
  Normal lactate (<=4.8) 16 (29) 253 (51)
  High lactate (>  4.8) 40 (71) 239 (49)
At one hour 10.9 (6.4–18.2) 6.4 (3.4–13)
  Normal lactate (<=4.8) 11 (20) 183 (37)
  High lactate (>  4.8) 45 (80) 309 (63)
  1. aMedian and interquartile range (N = 490)