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Table 2 Comparison of outcomes for participants grouped by preoperative ASA scores following hip-fracture surgery within 1-,3-, 6- and 12-month post-discharge

From: The relationship between preoperative American Society of Anesthesiologists Physical Status Classification scores and functional recovery following hip-fracture surgery

 

Participant Group

 

Outcome Post-discharge

ASA 1–2

ASA 3

p-Valuea

Participants within 1 month, n (% remaining)

114 (100%)

112 (100%)

 

 Mortality

0 (0.0%)

0 (0.0%)

 

 Institutionalization

2 (1.8%)

7 (6.3%)

.08

 Emergency room visits

7 (6.1%)

9 (8.1%)

.57

 Hospital readmissions

6 (5.3%)

13 (11.6%)

.09

 Recovery of walking ability

55 (48.2%)

33 (29.5%)

.004

 CBIb score (mean ± SD)

73.46 ± 19.68

68.57 ± 19.43

.06

 HRQOLc Subscale Scores (mean ± SD)

  Bodily pain

69.58 ± 24.47

71.96 ± 25.09

.47

  General health

62.16 ± 23.41

50.02 ± 25.46

.006

  Vitality

57.86 ± 24.55

58.38 ± 24.27

.87

  Social functioning

62.61 ± 30.69

61.48 ± 29.82

.78

  Role disability/emotional

66.07 ± 44.29

66.97 ± 44.09

.88

  Mental health

62.40 ± 22.58

63.09 ± 19.78

.81

  Physical functioning

33.93 ± 38.13

28.64 ± 38.43

.30

  Role disability/physical

28.57 ± 42.82

22.48 ± 37.88

.26

Participants within 3 months, n (% remaining)

108 (94.7%)

107 (95.5%)

 

 Mortality

1 (0.9%)

2 (1.8%)

.55

 Institutionalization

3 (2.8%)

4 (3.7%)

.71

 Emergency room visits

5 (4.6%)

4 (3.7%)

.73

 Hospital readmissions

4 (3.7%)

5 (4.6%)

.73

 Recovery of walking ability

79 (73.8%)

53 (48.6%)

< .001

 CBIb score (mean ± SD)

83.19 ± 17.94

80.09 ± 17.52

.20

 HRQOLc Subscale Scores (mean ± SD)

  Bodily pain

72.10 ± 23.12

75.52 ± 24.89

.31

  General health

58.62 ± 24.26

52.56 ± 24.14

.07

  Vitality

61.94 ± 21.33

62.43 ± 22.17

.87

  Social functioning

59.98 ± 24.60

62.14 ± 28.25

.56

  Role disability/emotional

79.17 ± 38.36

81.88 ± 35.78

.60

  Mental health

67.25 ± 19.49

65.18 ± 21.44

.47

  Physical functioning

31.35 ± 25.35

26.36 ± 26.15

.17

  Role disability/physical

20.91 ± 34.33

25.73 ± 38.58

.34

Participants within 6 months, n (% remaining)

102 (89.5%)

97 (86.6%)

 

 Mortality

2 (1.9%)

4 (3.7%)

.41

 Institutionalization

3 (3.0%)

3 (3.1%)

.97

 Emergency room visits

9 (8.9%)

10 (10.5%)

.70

 Hospital readmissions

7 (6.9%)

11 (11.6%)

.26

 Recovery of walking ability

75 (73.5%)

64 (64.6%)

0.17

 CBIb score (mean ± SD)

85.49 ± 22.37

86.13 ± 17.39

.82

 HRQOLc Subscale Scores (mean ± SD)

  Bodily pain

78.10 ± 24.69

83.74 ± 22.28

.10

  General health

60.11 ± 23.09

57.72 ± 23.87

.49

  Vitality

63.68 ± 21.38

65.16 ± 21.90

.64

  Social functioning

73.08 ± 26.54

75.41 ± 27.60

.56

  Role disability/emotional

85.51 ± 32.89

88.30 ± 30.80

.55

  Mental health

68.04 ± 20.57

68.09 ± 18.98

.95

  Physical functioning

55.75 ± 32.47

57.23 ± 34.75

.76

  Role disability/physical

33.60 ± 40.96

47.85 ± 45.54

.03

Participants within 12 months, n (% remaining)

84 (73.7%)

81 (72.3%)

 

 Mortality

3 (3.1%)

8 (8.1%)

.13

 Institutionalization

1 (1.2%)

3 (3.6%)

.31

 Emergency room visits

3 (3.6%)

8 (10.0%)

.10

 Hospital readmissions

5 (6.0%)

14 (17.3%)

.02

 Recovery of walking ability

64 (76.2%)

56 (67.5%)

.21

 CBIb score (mean ± SD)

85.71 ± 26.94

87.04 ± 19.55

.71

 HRQOLc Subscale Scores (mean ± SD)

  Bodily pain

70.04 ± 26.46

77.75 ± 25.83

.08

  General health

53.77 ± 23.67

50.60 ± 25.24

.45

  Vitality

60.59 ± 20.25

59.93 ± 21.91

.85

  Social functioning

74.30 ± 27.13

66.37 ± 30.30

.10

  Role disability/emotional

91.30 ± 25.98

82.87 ± 37.11

.12

  Mental health

70.29 ± 19.03

63.14 ± 22.70

.047

  Physical functioning

50.70 ± 29.76

41.99 ± 31.97

.09

  Role disability/physical

45.07 ± 43.02

38.19 ± 45.57

.36

  1. a p-value determined by student’s t-test, two-tailed
  2. bCBI (Chinese Barthel Index): higher score indicates greater independence
  3. cHRQOL (Health Related Quality of Life); higher score indicates better health outcomes