Table 4.

Results of leave-one-out analysis in central corneal sensitivity after FS-LASIK and SMILE

Study excluded	WMD (95 %)			Test for heterogeneity			Test for overall effect
	Estimate	Lower	Up	χ 2	I2	P	Z	P
One week after surgery
Li(a)	−19.56	−29.72	−9.40	48.21	93.80 %	<0.001	3.77	<0.001
Wei	−14.85	−25.08	−4.63	37.04	91.90 %	<0.001	2.85	<0.001
Demirok	−17.97	−29.26	−6.69	56.87	94.70 %	<0.001	3.12	0.002
Gao	−14.47	−24.74	−4.20	44.12	93.20 %	<0.001	2.76	0.006
Li(b)	−19.90	−28.96	−10.84	32.36	90.70 %	<0.001	4.13	<0.001
One month after surgery
Li(a)	−19.85	−27.61	−12.09	28.97	89.60 %	<0.001	5.01	<0.001
Wei	−15.24	−23.63	−6.86	28.78	89.60 %	<0.001	3.56	<0.001
Demirok	−18.49	−27.62	−9.36	37.52	92.00 %	<0.001	3.97	<0.001
Gao	−15.15	−23.34	−6.96	27.49	89.10 %	<0.001	3.63	<0.001
Li(b)	−18.81	−27.702	−9.91	33.19	91.90 %	<0.001	4.14	<0.001
Three months after surgery
Li(a)	−15.77	−21.61	−9.94	18.34	83.60 %	<0.001	5.30	<0.001
Wei	−12.80	−19.34	−6.25	16.45	81.80 %	0.001	3.83	<0.001
Demirok	−15.45	−21.60	−9.30	18.89	84.10 %	<0.001	4.92	<0.001
Gao	−12.85	−19.65	−6.06	18.34	83.60 %	<0.001	3.71	<0.001
Li(b)	−16.16	−21.61	−10.71	15.45	80.60 %	0.001	5.81	<0.001
Six months after surgery
Li(a)	−14.64	−20.08	−9.21	23.35	82.90 %	<0.001	5.28	<0.001
Wei	−2.75	−6.20	0.69	12.34	75.70 %	0.006	1.57	0.117
Demirok	−2.45	−5.40	0.51	12.56	76.10 %	0.006	1.62	0.105
Gao	−2.93	−5.29	−0.58	6.26	52.10 %	0.100	2.44	0.015
Li(b)	−1.29	−3.29	0.72	8.26	63.70 %	0.041	1.26	0.208

WMD Weighted mean differences which were computed by using a random effects model, FS-LASIK femtosecond laser-assisted laser in situ keratomileusis, SMILE small incision lenticule extraction