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. 2018 Jul 19;19:241. doi: 10.1186/s12891-018-2133-4

Table 6.

Within group comparison of the secondary outcome measures over time

	Mean (SD)		P value		P value		P value		P value
	Preoperative	6 weeks	P value	3 months	P value	6 months	P value	12 months	P value
XSMFA fi
Anterior	35.2 (16.1)	21.2 (14.2)	<0.001^a	12.7 (12.5)	<0.001^a	11.6 (12.1)	0.895^a	10.3 (13.0)	1.000^a
Lateral	40.5(16.0)	28.5(15.9)	<0.001^a	18.8 (16.1)	<0.001^a	15.8 (15.4)	0.037^a	15.1 (16.3)	1.000^a
XSMFA bi
Anterior	48.7 (20.5)	26.6 (19.8)	<0.001^a	19.8 (17.0)	0.005^a	16.8 (15.8)	0.510^a	15.8 (18.0)	1.000^a
Lateral	53.0 (17.9)	33.0 (18.3)	<0.001^a	33.0 (18.1)	0.021^a	25.1 (17.9)	0.125^a	21.7 (19.6)	1.000^a
T25-FW
Anterior	22.4 (5.2)	21.3(6.3)	0.743^a	18.5 (3.7)	0.048^a	18.3 (4.1)	1.000^a	18.1 (3.4)	1.000^a
Lateral	24.0 (3.9)	22.0 (4.2)	0.652^a	19.4 (3.8)	0.049^a	19.9 (5.5)	1.000^a	19.8 (4.6)	1.000^a
Activity VAS
Anterior	5.0 (0.8)	6.9 (0.7)	<0.001^a	7.3 (0.8)	1.000^a	7.3 (0.7)	1.000^a	7.5 (0.6)	1.000^a
Lateral	4.9 (0.8)	6.8 (0.6)	<0.00^a	6.9 (0.5)	1.000^a	6.9 (0.7)	1.000^a	7.0 (0.7)	1.000^a
SF-36 PCS
Anterior	27.4 (8.2)	39.1 (9.7)	<0.001^a	44.6 (9.2)	<0.001^a	46.0 (10.0)	1.000^a	47.5 (9.9)	1.000^a
Lateral	25.6 (8.7)	34.8 (9.8)	<0.001^a	40.7 (10.1)	0.001^a	42.7 (5.6)	0.277^a	42.9 (11.9)	1.000^a
SF-36 MCS
Anterior	57.2 (8.5)	58.1 (8.7)	1,000^a	56.0 (9.2)	1.000^a	56.0 (10.0)	1.000^a	55.0 (9.8)	1.000^a
Lateral	56.3 (9.2)	59.3 (6.6)	0.931^a	56.7 (8.3)	1.000^a	55.8 (7.2)	1.000^a	56.2 (6.9)	1.000^a

SD standard deviation

^a Friedman test