Change in axial length after vitrectomy with silicone oil tamponade for rhegmatogenous retinal detachment

BMC Ophthalmology

Table 1 Demographic and clinical characteristics of patients

Variable		Patients (n = 213)
Age, mean ± SD		53.97 ± 13.10
Gender	Male	120
Gender	Female	93
Macula involvement	On	79
Macula involvement	off	134
Duration between two operations(month)		5.32 ± 2.3
Vitreoretinal operation history	Yes	26
Vitreoretinal operation history	No	187
AL^a
Preoperative AL (mm), mean ± SD		25.98 ± 2.87
Postoperative AL (mm), mean ± SD		26.25 ± 3.07
ΔAL (mm), mean ± SD		0.37 ± 0.62
IOP^b
Preoperative IOP (mmHg), mean ± SD	Operated Eyes	12.67 ± 4.32
Preoperative IOP (mmHg), mean ± SD	Contralateral Eyes	14.92 ± 3.40
Postoperative IOP (mmHg), mean ± SD	Operated Eyes	17.57 ± 5.46
Postoperative IOP (mmHg), mean ± SD	Contralateral Eyes	15.42 ± 3.43

^aStatistical difference between pre-operated and post-operated AL (Paired T test), P values less than 0.001
^bStatistical difference between operated and contralateral eyes both pre and postoperatively (Paired T test), P values less than 0.001
IOP intraocular pressure, AL axial length

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