Table 3 The outcome comparisons at different time point

Bodily pain (BP)

< 0.01

At 1^st month

67.70 (26.66)

59.32 (25.86)

At 3^rd month

76.39 (22.91)

65.43 (25.88)

At 6^th month

76.99 (23.44)

68.73 (27.78)

At 1^st year

81.20 (22.73)

70.93 (26.94)

General health perceptions (GH)

0.25

At 1^st month

48.21 (24.38)

50.22 (25.33)

At 3^rd month

52.74 (24.29)

46.01 (24.53)

At 6^th month

50.91 (25.05)

44.36 (24.06)

At 1^st year

48.03 (26.81)

44.15 (22.82)

Vitality (energy/fatigue) (VT)

< 0.001

At 1^st month

57.91 (24.50)

50.89 (23.45)

At 3^rd month

63.87 (19.91)

51.93 (18.54)

At 6^th month

64.37 (20.18)

54.71 (17.57)

   At 1^st year

60.86 (19.18)

51.32 (17.53)

Social functioning (SF)

0.09

At 1^st month

51.30 (28.74)

48.87 (30.34)

At 3^rd month

66.36 (27.62)

57.01 (26.93)

At 6^th month

72.41 (28.42)

65.70 (28.56)

At 1^st year

72.57 (28.17)

67.44 (27.87)

Role limitations due to emotional problems (RE)

0.39

At 1^st month

72.34 (39.89)

71.07 (40.76)

At 3^rd month

84.31 (33.36)

84.76 (29.40)

At 6^th month

86.81 (28.83)

82.05 (33.76)

At 1^st year

92.89 (19.98)

87.36 (28.35)

General mental health (MH)

< 0.01

At 1^st month

61.44 (24.85)

54.06 (21.39)

At 3^rd month

64.05 (21.25)

56.75 (20.55)

At 6^th month

67.86 (20.28)

58.32 (20.09)

At 1^st year

64.52 (19.03)

55.81 (18.70)

Physical functioning (PF)

< 0.001

At 1^st month

26.13 (22.42)

19.80 (21.32)

At 3^rd month

49.12 (29.57)

29.12 (24.56)

At 6^th month

60.30 (28.02)

35.00 (24.58)

At 1^st year

62.19 (28.08)

43.50 (28.47)

Role limitations due to physical health problems (RP)

< 0.001

At 1^st month

36.76 (38.68)

22.13 (38.12)

At 3^rd month

54.62 (40.58)

30.38 (36.28)

At 6^th month

69.59 (37.33)

45.76 (40.78)

At 1^st year

82.96 (28.96)

54.23 (40.04)