Table 2.

Intraoperative characteristics of patients with and without elevated IOP

	Patients without elevated IOP		Patients with elevated IOP		P-value
	N=206	%	N=50	%
Diagnosis					0.181*
Macular diseases	26	12.62	1	2.00
Vitreous hemorrhage	19	9.22	2	4.00
Retinal detachment	91	44.17	24	48.00
Trauma related	40	19.42	11	22.00
PDR	24	11.65	8	16.00
Others	6	2.91	4	8.00
Tamponade					0.036*
Air	10	4.85	0	0.00
BSS	33	16.02	4	8.00
SF6	16	7.77	1	2.00
C3F8	89	43.20	22	44.00
Silicone oil	58	28.16	23	46.00
Combined lens surgery					0.336*
Without lens surgery	133	64.56	35	70.00
Lensectomy	43	20.87	12	24.00
Lensectomy + IOL	27	13.11	2	4.00
IOL removal	3	1.46	1	2.00
Combined scleral buckling					0.541*
Without SB	191	92.72	48	96.00
With SB	15	7.28	2	4.00

Note:

^*P-value by Pearson’s χ² test.

Abbreviations: SF6, sulfur hexafluoride; C3F8, perfluoropropane; BSS, balanced salt solution; IOL, intraocular lens; IOP, intraocular pressure; PDR, proliferative diabetic retinitis; SB, scleral buckling.