Table IV.

Range of movement after total knee arthroplasty (data are presented as means with ranges)

Post-operative day	Steroid (n = 38)	No steroid (n = 37)	p-value
	Flexion angle (°)	Flexion angle (°)
1	67 (40 to 95)	57 (30 to 95)	0.014
2	73 (40 to 100)	65 (35 to 100)	0.017
3	78 (40 to 105)	76 (60 to 105)	0.47
4	86 (50 to 110)	84 (65 to 115)	0.54
5	87 (50 to 115)	84 (55 to 110)	0.50
6	91 (65 to 115)	84 (60 to 100)	0.021
7	91 (65 to 110)	88 (70 to 110)	0.19
8	92 (60 to 115)	89 (60 to 110)	0.23
9	93 (60 to 115)	89 (70 to 110)	0.76
10	95 (65 to 115)	90 (70 to 110)	0.14
11	93 (65 to 115)	94 (70 to 120)	0.80
12	95 (65 to 115)	94 (65 to 120)	0.77
13	97 (75 to 112)	95 (80 to 120)	0.59
14	95 (65 to 120)	95 (70 to 130)	0.90
1 mth	104 (80 to 125)	108 (75 to 135)	0.19
2 mths	111 (85 to 135)	109 (90 to 145)	0.58
3 mths	115 (85 to 140)	120 (95 to 135)	0.13
6 mths	121 (70 to 150)	120 (75 to 150)	0.83
12 mths	126 (80 to 155)	122 (90 to 145)	0.39
Post-operative day	Extension angle (°)	Extension angle (°)	p-value
1	-6 (-10 to 0)	-9 (-20 to 0)	0.0046
2	-7 (-15 to 0)	-10 (-25 to 0)	0.0060
3	-6 (-10 to 0)	-9 (-25 to 0)	0.0080
4	-7 (-15 to 0)	-8 (-20 to 0)	0.13
5	-6 (-10 to 0)	-8 (-20 to 0)	0.056
6	-6 (-10 to 0)	-7 (-15 to 0)	0.20
7	-6 (-10 to 0)	-7 (-20 to 0)	0.15
8	-5 (-10 to 0)	-7 (-20 to 0)	0.056
9	-5 (-15 to 0)	-7 (-20 to 0)	0.069
10	-4 (-10 to 0)	-7 (-20 to 0)	0.022
11	-4 (-15 to 0)	-6 (-15 to 0)	0.36
12	-5 (-20 to 0)	-7 (-15 to 0)	0.14
13	-4 (-15 to 0)	-5 (-10 to 0)	0.23
14	-4 (-15 to 0)	-6 (-15 to 0)	0.091
1 mth	-5 (-25 to 0)	-6 (-20 to 0)	0.41
2 mths	-5 (-25 to 0)	-6 (-20 to 0)	0.51
3 mths	-5 (-15 to 0)	-4 (-20 to 0)	0.85
6 mths	-3 (-20 to 0)	-4 (-20 to 0)	0.64
12 mths	-1 (-10 to 0)	-3 (-15 to 0)	0.18

All p-values were determined with Student’st-test