Table 1.

Baseline clinical and operative characteristics of primary retinal detachments

	Total	Silicone Oil	Densiron	p Value
Total	259	179	80	-
Baseline characteristics
Age (years, IQR)	61 (49 to 71)	61 (49 to 70)	60 (49 to 73)	0.829
Gender (% Male)	187 (72.2%)	131 (73.2%)	56 (70.0%)	0.653
Laterality (% Right)	137 (52.9%)	92 (51.4%)	45 (56.3%)	0.502
Ocular Co-morbidities	97 (37.5%)	72 (40.2%)	25 (31.3%)	0.211
High Myope (% Yes)	22 (8.5%)	13 (7.3%)	9 (11.3%)	0.336
Glaucoma (% Yes)	8 (3.1%)	3 (1.7%)	5 (6.3%)	0.112
Preoperative lens*
Phakic	142 (62.6%)	101 (63.9%)	41 (59.4%)	0.680
Pseudophakic	78 (34.4%)	53 (33.5%)	25 (36.2%)
Aphakic	7 (3.1%)	4 (2.5%)	3 (4.3%)
Macula status
Off	201 (78.8%)	147 (83.5%)	54 (68.4%)	0.008
On	54 (21.2%)	29 (16.5%)	25 (31.6%)
Giant retinal tear	11 (4.2%)	8 (4.5%)	3 (3.8%)	1.000
PVR C	65 (25.1%)	54 (30.2%)	11 (13.8%)	0.005
Pre-operative VA (logMAR)	1.50 (0.60 to 2.40)	1.60 (0.60 to 2.40)	0.80 (0.35 to 1.85)	< 0.001
Surgical Characteristics
Retinectomy Performed	22 (8.5%)	19 (10.6%)	3 (3.8%)	0.090
Perfluorocarbon used	64 (24.7%)	53 (29.6%)	11 (13.8%)	0.008
Combined Buckle/PPV	19 (7.3%)	19 (10.6%)	0 (0.0%)	0.001
Combined Phacovitrectomy	19 (7.3%)	15 (8.4%)	4 (5.0%)	0.443
Epiretinal Membrane Peeled	2 (0.8%)	2 (1.1%)	0 (0.0%)	1.000
Retinopexy
Cryotherapy only	33 (12.9%)	16 (9.1%)	17 (21.5%)	0.009
Endolaser only	139 (54.5%)	105 (59.7%)	34 (43.0%)	0.015
Cryotherapy and endolaser	83 (32.5%)	55 (31.3%)	28 (35.4%)	0.564
Three hundred and sixty laser	120 (46.3%)	87 (48.6%)	33 (41.3%)	0.284

Age is reported as median (interquartile range) and Kruskal Wallis test used to compare continuous variables

Chi Squared test to compare more than two nominal groups

Statistical significance in bold

PVR Proliferative vitreoretinopathy

^*Pre-operative lens status could not be determined in 32 patients