Table 1.

Baseline clinical characteristics of primary retinopexy by grade of training

	Total	ST2-ST3	ST4-ST5	ST6-ST7	VR	P value
Total	958	221	373	72	292	–
Age (years, IQR)	59.0 (49.0 to 65.0)	59.0 (52.0 to 65.0)	60.0 (53.0 to 65.0)	61.0 (52.0 to 66.5)	55.5 (33.0 to 65.0)	<0.001
Gender (% male)	510 (53.2%)	106 (48.0%)	196 (52.5%)	34 (47.2%)	174 (59.6%)	0.040
Laterality (% right)	484 (50.5%)	114 (51.6%)	197 (52.8%)	36 (50.0%)	137 (46.9%)	0.492
High myope (% yes)	33 (3.4%)	3 (1.4%)	16 (4.3%)	1 (1.4%)	13 (4.5%)	0.139
Indication
HST	684 (71.4%)	171 (77.4%)	300 (80.4%)	56 (77.8%)	157 (53.8%)	<0.001
Operculated break	71 (7.4%)	16 (7.2%)	37 (9.9%)	9 (12.5%)	9 (3.1%)	0.003
Round hole	85 (8.9%)	19 (8.6%)	26 (7.0%)	4 (5.6%)	36 (12.3%)	0.072
Retinal detachment	42 (4.4%)	1 (0.5%)	0 (0.0%)	0 (0.0%)	41 (14.0%)	<0.001
Lattice degeneration	44 (4.6%)	9 (4.1%)	5 (1.3%)	3 (4.2%)	27 (9.2%)	<0.001
Other	32 (3.3%)	5 (2.3%)	5 (1.3%)	0 (0.0%)	22 (7.5%)	<0.001
Retinopexy type
Slit lamp	808 (84.3%)	219 (99.1%)	370 (99.2%)	67 (93.1%)	152 (52.1%)	<0.001
Indirect	150 (15.7%)	2 (0.9%)	3 (0.8%)	5 (6.9%)	140 (47.9%)	<0.001
Performed bilateral (%)	45 (4.7%)	2 (0.9%)	12 (3.2%)	0 (0.0%)	31 (10.6%)	<0.001

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

Statistical significance in bold.

Column percentages are reported.

HST, horseshoe tear; VR, vitreoretinal.