1. Labour diagnosis algorithm versus routine care (Cheyne 2008).

OUTCOME	Intervention (after ) n = 892	Control (after) n = 1279	Difference between groups adjusted for baseline differences between clusters with 95% CI	P value
Spontaneous vertex delivery	526	785	‐3.2 (‐15.1 to 8.7)	0.6
ARM	401	500	5.6 (‐2.2 to 13.4)	0.1
Electronic fetal monitoring	557	820	‐0.1 (‐14.2 to 14.1)	1.0
Assisted vaginal delivery	241	323
Caesarean section	123	168
3rd or 4th degree tear	7	8
Epidural	290	441	2.1 (‐8.0 to 12.2)	0.7
Additional analgesia required Opiate	532	649	1.5 (‐4.6 to 7.6)	0.6
Additional analgesia required Epidural and opiate	177	225	4.4 (‐2.8 to 11.7)	0.2
Any maternal complication	439	596	3.9 (‐9.4 to 17.2)	0.5
PP haemorrhage (specify) Intrapartum Post partum	5 10	7 20
Labour augmentation with oxytocin	343	484	0.3 (‐9.2 to 9.8)	0.9
Unplanned birth out of hospital	11	11
Fetal distress	166	242	2.4 (‐6.6 to 11.3)	0.6
Meconium stained liquor	133	211	‐0.5 (‐7.2 to 6.3)	0.9
Neonatal resuscitation	106	145	‐0.9 (‐6.4 to 4.7)	0.7
Admission to special care	29	60	‐0.4 (‐2.6 to 1.8)	0.7
Apgar score < 7 at 5 minutes	9	13
Admission to hospital at first presentation (1 admission) One presentations before admission in labour Two presentations before admission in labour Three or more presentations before admission in labour	398 305 149 35	795 366 88 20	‐19.2 (‐29.9 to ‐8.6)	0.002
Failure to progress 1st stage Failure to progress 2nd stage	42 142	59 119	‐3.4 (‐15.3 to 8.6) 15.2 (‐4.5 to 34.9)	0.5 0.1