Changes in ocular biometric measurements after vitrectomy with silicone oil tamponade for rhegmatogenous retinal detachment repair

Table 1 The comparison of measurements between preoperative and postoperative

	n (pairs)	Preoperative		Postoperative		Difference (post-pre)		Paired samples t-test
	n (pairs)	Mean	SD	Mean	SD	Mean	95% CI	t value	P value^*
AL (mm)	45	24.94	1.82	25.42	2.20	0.48	0.26, 0.69	−4.493	< 0.001
ACD (mm)	42	3.45	0.42	3.30	0.41	− 0.14	−0.20, − 0.08	4.974	< 0.001
LT (mm)	53	4.34	0.16	4.43	0.21	0.09	0.06, 0.12	−5.564	< 0.001
LP (mm)	36	5.55	0.41	5.46	0.40	−0.09	−0.16, − 0.03	2.862	0.007
RLP	28	0.22	0.01	0.22	0.02	−0.01	−0.01, 0	4.458	< 0.001
LRD (mm)	28	19.52	1.82	20.17	2.36	0.65	0.32, 0.98	−4.059	< 0.001

^*P values less than 0.05 are represented in bold
AL axial length, ACD anterior chamber depth, LT lens thickness, LP lens position, RLP relative lens position, LRD lens-retina distance

ISSN: 1471-2415