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Table 1 Demographics and clinical assessments at baseline and pre-surgery

From: Developing an intervention to optimise the outcome of cardiac surgery in people with diabetes: the OCTOPuS pilot study

Characteristic Baseline Pre-surgery Change from baseline to pre-surgery1
N 17 13 -
Patient gender    
Male 11 (65%) - -
Female 6 (35%) - -
Age 65 (62, 72) - -
Type of diabetes    
Type 1 3 (18%) - -
Type 2 14 (82%) - -
Diabetes duration (years) 12 (8, 18) - -
Smoking status2    
Never smoked 4 (24%) - Stopped smoking:
Ex-smoker 13 (76%) - 0 (0%)
Current smoker 0 (0%) -  
Waist circumference (cm)3 105.3 (103.4, 114) 98.3 (35.9, 112.2) −4.1 (−5.3, −2.0)
Weight (kg) 84.4 (81.8, 93.6) 81.6 (63.8, 94.1) −2.5 (−5, −1)
BMI (kg/m2) 31.6 (27.9, 32.6) 30.6 (28.9, 31.6) −1.0 (−1.7, −0.4)
Systolic blood pressure (mmHg) 124 (120, 134) 124 (117, 136) 5 (−4, 14)
Diastolic blood pressure (mmHg) 78 (68, 82) 74 (65, 79) 1 (−4, 3)
Total cholesterol (mmol)4 4.2 (3.6, 5.1) 2.4 (0, 3.9) −0.7 (−3.0, −0.1)
HDL cholesterol (mmol)4 1.2 (1.1, 1.5) 0.9 (0, 1.1) −0.2 (−0.9, −0.1)
Triglycerides (mmol)4,5 1.8 (1.1, 2.7) 1.1 (0, 1.2) −1 (−1.4, 0.1)
HbA1c (mmol/mol)4 68 (64, 77) 61 (56, 65) −10 (−13, −3)
HbA1c (DCCT%)4 8.4% (8.0%, 9.2%) 7.7% (7.2%, 8.1%) −1.0% (−1.2%, −0.2%)
Renal function eGFR 73 (55, 84) 60 (20, 80) −2 (−5, 0)
No. of OCTOPuS support contacts received - 4 (3, 7) -
Time from baseline to pre-surgery assessment (weeks) - 10.6 (5.6, 11.9) -
Time from surgery to discharge (days) - 7 (6, 9) -
  1. Categorical data are presented as n (%) and continuous data as median (IQR)
  2. 1Within-person change from baseline to pre-surgery assessment
  3. 2As reported although 3 participants were enrolled on smoking cessation intervention
  4. 3n = 5 (39%) missing at pre-surgery assessment
  5. 4n = 3 (23%) missing at pre-surgery assessment (bloods not taken)
  6. 5n = 1 (6%) missing at baseline