Table 4

Differences in preoperative variables between patients with and without angina and breathlessness more than one year after surgery

Preoperative variablesAngina postoperationBreathlessness postoperation
PresentAbsentp ValuePresentAbsentp Value
Age (years)57.1 (8.4)59.1 (6.6) 0.008 59.9 (6.5)57.2 (7.9) 0.023
Preoperative angina rating4.18 (1.77)4.28 (1.74)0.7044.29 (1.71)4.13 (1.82)0.554
Preoperative breathlessness rating3.79 (2.03)3.97 (1.80)0.5164.03 (1.96)3.65 (1.79)0.200
Sex (male/female)43.6 (57.5)56.4 (48.5)0.41161.1 (75.8)38.9 (24.2)0.113
Deprivation category4.68 (1.78)4.71 (1.63)0.9154.78 (1.67)4.53 (1.77)0.336
Social network score23.3 (7.4)24.8 (6.3)0.16723.0 (7.0)26.2 (6.1)0.003
Current smoker (not current smoker) (%)48.8 (43.9)51.2 (56.1)0.5700.26 (0.44)0.22 (0.44)0.043
Hypertension, systolic (yes/no) (%)37.5 (47.3)62.5 (52.7)0.24356.3 (66.4)43.8 (33.6)0.212
Hypertension, diastolic (yes/no) (%)55.9 (42.1)44.1 (57.9)0.14664.7 (63.4)35.3 (36.6)0.891
Hyperlipidaemia (yes/no) (%)35.8 (56.6)64.2 (43.4) 0.013 61.3 (64.2)38.7 (35.8)0.729
Obesity (BMI >30)47.6 (44.3)52.4 (55.7)0.70466.7 (62.9)33.3 (37.1)0.653
Increased waist circumference52.4 (41.2)47.6 (58.8)0.14974.6 (58.0)25.4 (42.0) 0.027
Diabetes mellitus (yes/no) (%)47.8 (44.7)52.2 (55.3)0.77665.2 (63.5)34.8 (36.5) 0.01
SF-36 physical function31.8 (23.7)39.8 (23.6) 0.029 33.6 (22.5)40.6 (25.7)0.067
SF-36 general health36.8 (17.4)37.1 (16.8)0.90735.8 (17.0)38.9 (17.4)0.252
SF-36 energy/vitality31.6 (20.7)41.4 (19.4) 0.002 34.3 (20.0)41.5 (20.9) 0.027
SF-36 bodily pain38.1 (23.4)50.7 (26.2) 0.001 43.5 (26.1)47.6 (25.0)0.315
SF-36 mental health56.5 (19.0)65.5 (17.3) 0.001 56.5 (18.2)67.0 (18.1) 0.003
SF-36 social function44.1 (28.0)55.1 (26.4) 0.009 49.2 (28.5)51.5 (26.1)0.598
SF-36 role limitation physical13.8 (30.9)16.5 (32.3)0.57711.0 (26.7)22.6 (37.8) 0.020
SF-36 role limitation emotional34.6 (44.4)42.4 (43.8)0.25234.7 (42.8)46.0 (45.8)0.105
  • Values are mean (SD) unless otherwise stated.

  • Significant p values are highlighted in bold font (Mann-Whitney U test).