Table 2.

Comparison of Lane-Sandhu X-ray scores of fracture healing between the two groups ($\overline{x}\pm s$, points).

Group	Number	4 weeks	8 weeks	10 weeks	12 weeks	14 weeks	F	P
Observation	25	2.08 ± 1.08	5.68 ± 1.38	8.72 ± 1.34	12.00 ± 0.00	12.00 ± 0.00	815.810	<0.001
Control	25	1.08 ± 0.70	3.92 ± 1.22	6.96 ± 1.27	9.16 ± 1.21	11.04 ± 6.76	245.814	<0.001
Z		-3.417	-3.976	-4.014	-6.310	-5.360
P		0.001	<0.001	<0.001	<0.001	<0.001