Table 3 Preopreative and follow-up time items of physical scale SF-36 scores

Physical Functioning (P-TLIF)

37.3 ± 28.6

60.0 ± 12.0

70.8 ± 15.3

79.8 ± 11.2

Physical Functioning (Wiltse approach TLIF)

40.7 ± 26.5

68.7 ± 14.3

75.8 ± 13.8

81.5 ± 10.8

P Values

0.65

0.018*

0.198

0.567

Role-Physical (P-TLIF)

2.9 ± 8.1

29.8 ± 30.0

62.5 ± 37.6

71.2 ± 28.0

Role-Physical (Wiltse approach TLIF)

5.8 ± 14.2

42.5 ± 30.9

63.3 ± 32.7

69.2 ± 29.1

P Values

0.355

0.126

0.930

0.796

Bodily Pain (P-TLIF)

32.7 ± 19.1

70.5 ± 9.3

69.0 ± 10.5

75.4 ± 12.2

Bodily Pain (Wiltse approach TLIF)

37.5 ± 21.9

71.3 ± 11.7

72.2 ± 9.6

72.5 ± 10.8

P Values

0.382

0.658

0.238

0.692

General Health (P-TLIF)

45.6 ± 15.2

58.8 ± 14.8

65.4 ± 12.9

73.0 ± 10.1

General Healtl (Wiltse approach TLIF)

48.0 ± 17.6

68.2 ± 16.5

70.1 ± 14.1

72.5 ± 10.8

P Values

0.569

0.030*

0.200

0.859

Vitality (P-TLIF)

51.9 ± 16.7

65.6 ± 17.1

75.5 ± 8.9

71.5 ± 12.8

Vitality (Wiltse approach TLIF)

51.8 ± 17.1

69.8 ± 12.2

72.2 ± 8.6

70.3 ± 12.0

P Values

0.984

0.284

0.887

0.718

Social Functioning (P-TLIF)

49.6 ± 23.8

63.2 ± 23.6

74.4 ± 21.3

79.1 ± 14.8

Social Functioning (Wiltse approach TLIF)

52.6 ± 21.6

70.7 ± 22.9

78.1 ± 16.4

76.7 ± 14.4

P Values

0.621

0.284

0.443

0.544

Role-Emotional (P-TLIF)

38.5 ± 46.8

43.6 ± 36.2

66.7 ± 36.5

93.6 ± 23.1

Role-Emotional (Wiltse approach TLIF)

60.2 ± 14.7

63.3 ± 33.2

70.0 ± 29.5

95.6 ± 19.0

P Values

0.151

0.038*

0.707

0.729

Mental Health (P-TLIF)

60.2 ± 14.7

68.2 ± 18.8

70.5 ± 9.9

74.9 ± 6.6

Mental Health (Wiltse approach TLIF)

54.0 ± 20.26

72.9 ± 15.6

72.0 ± 8.8

74.5 ± 8.5

P Values

0.205

0.303

0.541

0.850

Physical Component Summary (P-TLIF)

29.6 ± 13.2

54.8 ± 13.3

66.9 ± 16.1

74.8 ± 12.0

Physical Component Summary (Wiltse approach TLIF)

33.0 ± 11.0

62.8 ± 13.9

70.4 ± 14.1

74.2 ± 13.3

P Values

0.291

0.033*

0.397

0.862

Mental Component Summary (P-TLIF)

50.0 ± 17.7

60.1 ± 20.2

71.0 ± 13.5

79.8 ± 9.5

Mental Component Summary (Wiltse approach TLIF)

45.2 ± 17.0

69.2 ± 17.0

73.1 ± 10.2

79.3 ± 8.7

P Values

0.299

0.073

0.540

0.837