Table 2.

Stability after 3 and 6 months in both groups

<= 10 fractions		3 months
	Unstable		Stable		Total
	n	%	n	%	n	%
Unstable	252	82.4	54	17.6	306	49.3
Stable	5	1.6	310	98.4	315	50.7
					621	100
> 10 fractions
Unstable	88	75.9	28	24.1	116	56.6
Stable	4	4.5	85	95.5	89	43.4
					205	100
<= 10 fractions		6 months
	Unstable		Stable		Total
	n	%	n	%	n	%
	197	68.9	89	31.1	286	48.5
	6	2.0	298	98.0	304	51.5
					590	100
> 10 fractions
Unstable	73	65.8	38	34.2	111	56.4
Stable	6	7.0	80	93.0	86	43.7
					197	100