Table 1. The difference in treatment patterns between the two groups.

(n, %)	The COVID-19 pandemic group	The pre-COVID-19 group	P
PPV (n, %)	57, 72.2%	105, 58.6%	0.04
Combined with SB	1, 1.8%	0, 0%
Combined with PHACO	4, 7.0%	22, 21.0%	0.02
Silicone oil tamponade	52, 91.2%	91, 86.7%	0.45
C3F8 tamponade	5, 8.8%	14, 13.3%
SB (n, %)	22, 27.8%	74, 41.3%	0.01
Segmental buckle	8	15	0.29
Radial buckle	1	6
Combined encircling	13, 59.1%	53, 71.6%
drainage of subretinal fluid	10, 45.4%	56, 75.7%	0.01