Table 3. Comparisons of measurements of angle of deviation and fusional convergence parameters between group 1 and group 2 patients with Mann-Whitney U test.

	Group 1: No Deterioration in Control (n = 77)		Group 2: Deteriorated in Control (n = 40)		U value	P-value (two-tailed)
	Mean	Median	Mean	Median
Angle of deviation at near (Δ)	17.8	16	20.2	20	1144.5	0.022
Angle of deviation at distance (Δ)	21.5	20	24.4	25	1142.0	0.020
Fusional reserve at near (Δ)	18.5	18	12.4	10	1055.0	0.005
Fusional reserve at distance (Δ)	8.0	6	4.2	2	1047.0	0.004
Fusional recovery at near (Δ)	13.7	14	8.8	6.5	1072.5	0.007
Fusional recovery at distance (Δ)	5.4	4	2.2	0	1024.0	0.002
Total convergence amplitude at near (Δ)	36.3	34	32.6	29.0	1259.0	0.106
Total convergence amplitude at distance (Δ)	29.6	29	38.6	26.0	1452.0	0.614
Fusional reserve ratio at near	1.66	0.32	0.99	0.09	981.0	0.001
Fusional reserve ratio at distance	0.56	1.0	0.20	0.58	926.0	0.000