Table 4.
Analysis Of Hypoglycemia Confidence Questionnaire Items During Continuous Glucose Monitoring And Conventional Treatment (Full Analysis Set Population)
| Response | CGM (Dexcom G4) | Conventional therapy | Difference CGM-conventional treatmenta | P | |
|---|---|---|---|---|---|
| How confident are you that you can stay safe from serious problems with hypoglycemia | |||||
| HCQ1—When you are exercising? | Not confident at all | 1 (0.7%) | 4 (2.9%) | CGM Worse 23 (16.7%) | 0.67 |
| Equal 88 (63.8%) | |||||
| CGM Better 27 (19.6%) | |||||
| A little confident | 13 (9.4%) | 16 (11.4%) | |||
| Moderately confident | 75 (54.0%) | 73 (52.1%) | |||
| Very confident | 50 (36.0%) | 47 (33.6%) | |||
| HCQ2—When you are sleeping? | Not confident at all | 2 (1.4%) | 7 (5.0%) | CGM Worse 25 (18.0%) | 0.20 |
| Equal 78 (56.1%) | |||||
| CGM Better 36 (25.9%) | |||||
| A little confident | 9 (6.4%) | 12 (8.5%) | |||
| Moderately confident | 75 (53.6%) | 73 (51.8%) | |||
| Very confident | 54 (38.6%) | 49 (34.8%) | |||
| HCQ3—When you are driving? | Not confident at all | 2 (1.5%) | CGM Worse 16 (12.5%) | 0.34 | |
| Equal 89 (69.5%) | |||||
| CGM Better 23 (18.0%) | |||||
| A little confident | 7 (5.3%) | 6 (4.5%) | |||
| Moderately confident | 46 (34.6%) | 52 (39.4%) | |||
| Very confident | 80 (60.2%) | 72 (54.5%) | |||
| HCQ4—When you are in social situations? | A little confident | 3 (2.2%) | 10 (7.1%) | CGM Worse 12 (8.7%) | 0.016 |
| Equal 98 (71.0%) | |||||
| CGM Better 28 (20.3%) | |||||
| Moderately confident | 56 (40.3%) | 63 (44.7%) | |||
| Very confident | 80 (57.6%) | 68 (48.2%) | |||
| HCQ5—When you are alone? | Not confident at all | 1 (0.7%) | 2 (1.4%) | CGM Worse 20 (14.4%) | 0.25 |
| Equal 90 (64.7%) | |||||
| CGM Better 29 (20.9%) | |||||
| A little confident | 6 (4.3%) | 11 (7.8%) | |||
| Moderately confident | 58 (41.4%) | 58 (41.1%) | |||
| Very confident | 75 (53.6%) | 70 (49.6%) | |||
| In general, how confident are you that you can | |||||
| HCQ6—Avoid serious problems due to hypoglycemia? | Not confident at all | 3 (2.1%) | CGM Worse 16 (11.5%) | 0.0020 | |
| Equal 84 (60.4%) | |||||
| CGM Better 39 (28.1%) | |||||
| A little confident | 7 (5.0%) | 11 (7.8%) | |||
| Moderately confident | 69 (49.3%) | 79 (56.0%) | |||
| Very confident | 64 (45.7%) | 48 (34.0%) | |||
| HCQ7—Catch and respond to hypoglycemia before your blood sugars get too low? | Not confident at all | 1 (0.7%) | 2 (1.4%) | CGM Worse 21 (15.1%) | 0.0033 |
| Equal 73 (52.5%) | |||||
| CGM Better 45 (32.4%) | |||||
| A little confident | 13 (9.3%) | 20 (14.2%) | |||
| Moderately confident | 62 (44.3%) | 76 (53.9%) | |||
| Very confident | 64 (45.7%) | 43 (30.5%) | |||
| HCQ8—Continue to do the things you really want to do in your life, despite the risk of hypoglycemia? | Not confident at all | 1 (0.7%) | 1 (0.7%) | CGM Worse 16 (11.5%) | 0.022 |
| Equal 90 (64.7%) | |||||
| CGM Better 33 (23.7%) | |||||
| A little confident | 8 (5.7%) | 17 (12.1%) | |||
| Moderately confident | 64 (45.7%) | 65 (46.1%) | |||
| Very confident | 67 (47.9%) | 58 (41.1%) | |||
| HCQ9—If you have a spouse or a partner: What is your best guess about how confident your spouse or partner feels about your ability to avoid serious problems due to hypoglycemia? | Not confident at all | 2 (1.8%) | 4 (3.8%) | CGM Worse 10 (10.0%) | 0.051 |
| Equal 68 (68.0%) | |||||
| CGM Better 22 (22.0%) | |||||
| A little confident | 10 (9.2%) | 17 (16.0%) | |||
| Moderately confident | 62 (56.9%) | 54 (50.9%) | |||
| Very confident | 35 (32.1%) | 31 (29.2%) | |||
For categorical variables n and percent are presented.
Fisher's nonparametric permutation test between the treatment sequences on the difference between periods was performed.