Table 1.

Baseline characteristics of all included studies.

		Sample size				Ocular axial length				Axial elongation (mm
First author	Language	Control	Trial	Age (Years)	Follow-up time (month)	Control	Trial	AL measuring instrument	SER (D)	Control	Trial
Tang WT[14]	Chinese	41	43	11.05 ± 2.13	12	24.71 ± 0.37	24.69 ± 0.34	IOL master	−4.92 ± 1.21/−4.90 ± 1.16	0.20 ± 0.05	0.12 ± 0.03
Shi YH[15]	Chinese	89	86	12.5 ± 3.6	6	24.95 ± 0.17	24.87 ± 0.22	AL-scan	−3.34 ± 0.78/−3.31 ± 0.79	0.25 ± 0.11	0.11 ± 0.09
Shi MH[16]	Chinese	66	62	10.88 ± 1.34/11.06 ± 1.50	12	24.99 ± 0.66	24.85 ± 0.48	IOL master	−3.29 ± 0.89/−3.27 ± 0.82	0.22 ± 0.08	0.12 ± 0.07
Luo Y[18]	Chinese	60	60	10.77 ± 1.91/10.02 ± 2.35	12	25.24 ± 0.75	25.26 ± 0.76	A-mode ultrasound	−2.95 ± 1.25/−3.00 ± 1.32	0.22 ± 0.21	0.13 ± 0.19
Chen Z[19]	English	36	37	8.9 ± 1.4/8.8 ± 1.2	12	24.26 ± 0.90	24.49 ± 0.95	IOL master	− 2.38 ± 1.10/ − 2.85 ± 1.08	0.30 ± 0.11	0.21 ± 0.15
Kinoshita N[20]	English	35	38	10.37 ± 1.65/10.33 ± 1.59	24	24.86 ± 0.81	24.69 ± 0.58	IOL master	−2.72 ± 1.31/−2.60 ± 1.29	0.40 ± 0.23	0.29 ± 0.20
Kinoshita N[21]	English	20	20	10.40 ± 1.86/10.87 ± 1.38	12	24.95 ± 0.92	24.73 ± 0.58	IOL master	−2.95 ± 1.43/−2.81 ± 1.43	0.19 ± 0.15	0.09 ± 0.12
Tan Q[22]	English	30	29	9.0 ± 1.2/9.0 ± 1.2	12	24.59 ± 0.80	24.50 ± 0.61	IOL master	−2.84 ± 0.96/−2.65 ± 0.92	0.16 ± 0.15	0.07 ± 0.16
Vincent SJ[23]	English	28	25	9.1 ± 1.1/8.9 ± 1.2	6	24.44 ± 0.84	24.38 ± 0.62	IOL master	−2.58 ± 0.91/−2.38 ± 0.81	0.05 ± 0.08	0.01 ± 0.12

AL = axial length, D = degree, SER = spherical equivalent refractive.