Table 5.

Follow up of trial babies at orthopaedic and cardiac clinics according to whether they underwent one or two neonatal screening examinations before discharge from hospital after birth. Values are numbers (percentages) of babies

Detail	One screen policy (n=4835)	Two screen policy (n=4877)	Difference in percentage (95% CI)
Orthopaedic clinic*
Suspected hip problem at birth:
Total No	137 (2.8)	176 (3.6)	−0.8 (−1.5 to −0.1)
No followed up at clinic	125 (2.6)	167 (3.4)	—
No who required treatment	15 (0.3)	12 (0.2)
No who had reduction under general  anaesthesia	3 (0.1)	1 (<0.1)	—
Hip problems not suspected at birth but babies later referred:
Total No	71 (1.5)	77 (1.6)	−0.1 (−0.6 to 0.4)
No who required treatment	8 (0.2)	5 (0.1)	—
No who had reduction under general  anaesthesia	5 (0.1)	1 (<0.1)	—
Babies with no click at birth but referred because of family history of hip problem:
Total No	46 (1.0)	35 (0.7)	0.2 (−0.1 to 0.6)
No who required treatment	3 (<0.1)	1 (<0.1)	—
No who had reduction under general  anaesthesia	0	0	—
Cardiac clinic†
No with suspected heart problem at discharge from hospital after birth	43 (0.9)	49 (1.0)	−0.1 (−0.5 to 0.3)
Confirmed at heart clinic	29 (0.6)	35 (0.7)	−0.1 (−0.4 to 0.2)
No not suspected at discharge but later confirmed at heart clinic	15 (0.3)	13 (0.3)	<0.1 (−0.2 to 0.3)

^*Data source: orthopaedic clinic database. 

^†Data source: cardiac clinic records.