Table 2.

Relative contribution of each group to total CSR

Robson’s group	Total delivery	Vaginal delivery no (%)	Cesarean no (%)	Contribution to total CSR (%)
1	14,925	11,128 (74.55)	3797 (25.44)	37.62
2	903	476 (52.71)	427 (47.28)	4.23
3	13,107	11,583 (88.37)	1524 (11.62)	15.0
4	472	308 (65.25)	164 (34.74)	1.62
5	2656	934 (35.16)	1722 (64.83)	17.06
6	866	277 (31.98)	589 (68.01)	5.83
7	701	353 (50.35)	348 (49.64)	3.44
8	323	204 (63.15)	119 (36.84)	1.17
9	101	00 (00)	101 (100)	1.00
10	6032	4730 (78.41)	1302 (21.58)	12.90