The impact of preloaded intraocular lens implantation system (TECNIS iTec®) in routine cataract surgery in China: a time-motion analysis

Table 1 Preload and manual IOL preparation time by hospitals

Hospital	Preload (s)		Manual (s)		Difference^a	P-value
Hospital	N	Mean ± SD	N	Mean ± SD	Difference^a	P-value
Overall	1591	25.48 ± 11.03	1000	47.04 ± 14.72	-45.83%	< 0.001**
Hospital A	253	19.59 ± 5.49	308	56.11 ± 12.26	-65.09%	< 0.001**
Hospital B	295	22.12 ± 8.51	98	33.15 ± 11.73	-33.27%	< 0.001**
Hospital C	186	18.86 ± 2.50	119	37.92 ± 2.31	-50.26%	< 0.001**
Hospital D	151	35.95 ± 4.65	149	47.70 ± 6.17	-24.63%	< 0.001**
Hospital E	230	26.64 ± 10.51	60	48.81 ± 15.22	-45.42%	< 0.001**
Hospital F	141	24.60 ± 8.37	138	41.03 ± 17.69	-40.04%	< 0.001**
Hospital G	184	43.19 ± 8.19	60	53.45 ± 8.31	-19.20%	< 0.001**
Hospital H	151	17.08 ± 6.91	68	45.44 ± 20.47	-62.41%	< 0.001**

ISSN: 1471-2415