Table 3.

Comparison of general cohort versus the unsatisfied group in terms of (i) preop scores and (ii) change in outcome scores between pre-op and post-op.

	General cohort pre-op (SD)	Unsatisfied group pre-op(SD)	p-value	General cohort change in outcome scores between pre-op and post-op (SD)	Unsatisfied group change in outcome scores between pre-op and post-op (SD)	p-value
Oxford Knee Score	29.03 (8.75)	24.07 (8.64)	0.059	14.21 (9.08)	13.50(11.55)	0.827
KOOS - Pain	60.07 (18.84)	57.74 (19.34)	0.674	30.29 (19.88)	26.59 (19.99)	0.520
KOOS - Other symptoms	63.43 (18.42)	51.28 (18.72)	0.0348	26.51 (17.97)	32.91 (18.96)	0.247
KOOS - Function in daily living	66.56 (16.78)	62.50 (16.88)	0.405	26.24 (16.98)	25.42 (20.87)	0.890
KOOS - Function in sports	35.60 (18.57)	30.36 (21.88)	0.402	40.12 (26.31)	34.29 (40.61)	0.607
KOOS - Knee related QOL	45.25 (18.04)	42.86 (21.07)	0.689	34.35 (22.01)	23.21 (25.05)	0.131
SF36 - Physical functioning	41.68 (23.04)	25.36 (12.63)	<0.001	37.44 (26.80)	36.79 (32.91)	0.944
SF36 - Role limitations physical health	26.80 (36.09)	14.29 (21.29)	0.069	54.60 (45.72)	50.00 (43.85)	0.716
SF36 - Role limitations due to emotional problems	59.20 (44.37)	59.52 (45.63)	0.980	26.40 (46.24)	16.67 36.40)	0.369
SF36 - Energy/Fatigue	59.12 (13.86)	57.14 (11.88)	0.569	12.24 (15.52)	4.29 (20.37)	0.178
SF36 -Emotional well-being	68.86 (12.28)	64.00 (10.29)	0.118	7.20 (12.85)	6.86 (15.88)	0.939
SF36 - Social functioning	62.90 (21.17)	59.82 (19.72)	0.590	24.80 (21.59)	21.43 (27.05)	0.659
SF36 - Pain	56.20 (21.36)	49.29 (13.39)	0.103	30.38 (22.88)	25.54(24.79)	0.495
SF36 - General health	59.24 (17.24)	55.00 (12.86)	0.275	13.72 (16.41)	11.07 (20.02)	0.640
NPRS score	7.08 (1.20)	7.71 (1.27)	0.093	−5.42 (2.38)	−3.64 (3.05)	0.0521

SD: Standard deviation.

SF36: Short Form-36.

NPRS: Numeric Pain Rating Scale.