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. 2021 Sep 14;9(1):e002124. doi: 10.1136/bmjdrc-2021-002124

Table 4.

Changes in glycemic control, quality of life and disease burden among persons who continued FSL-FGM for at least 2 years and persons who had stopped FSL-FGM before the 2-year follow-up period was completed

Baseline (A) 1 year (B) 2 years (C) C vs A C vs B Overall difference between groups
Continued FSL-FGM Stopped FSL-FGM Continued FSL-FGM Stopped FSL-FGM Continued FSL-FGM Stopped FSL-FGM Continued FSL-FGM Stopped FSL-FGM Continued FSL-FGM Stopped
FSL-FGM
Glycemia
 HbA1c 62.4 (60.8 to 64.0) 59.0 (56.2 to 61.8) 58.3 (56.8 to 59.7) 56.4 (53.8 to 58.9) 58.9 (57.2 to 60.6) 56.7 (53.6 to 59.8) 3.5 (−6.4 to −0.7) −2.4 (−7.5 to 2.7) 0.6 (−2.1 to 3.4) 0.3 (−4.6 to 5.2) 2.2 (−1.3 to 5.8)
 n 259 82 191 62 260 82
 Hypoglycemic events 61.8 (52.8 to 70.8) 67.5 (51.1 to 83.9) 60.3 (49.7 to 70.9) 72.3 (52.4 to 92.2) 51.3 (43.0 to 59.7) 50.7 (35.0 to 66.4) −10.5 (−25.4 to 4.5) −16.8 (−44.5 to 10.9) −9.0 (−25.5 to 7.5) −21.6 (−52.5 to 9.4) 0.6 (−17.2 to 18.4)
 n 250 75 242 69 229 65
 Quality of life
 EQ-VAS 70.9 (69.5 to 74.2) 67.7 (63.6 to 71.9) 73.8 (71.2 to 76.4) 69.6 (64.9 to 74.2) 74.8 (71.9 to 77.6) 74.8 (71.9 to 77.6) 2.9 (−1.7 to 7.4) 5.3 (−2.8 to 13.4) 0.9 (−3.8 to 5.7) 3.5 (−5.0 to 12.0) 1.7 (−4.2 to 7.6)
 n 260 82 260 82 265 80
 EQ-5D-3L Dutch tariff 0.85 (0.83 to 0.87) 0.84 (0.80 to 0.88) 0.87 (0.85 to 0.90) 0.84 (0.80 to 0.88) 0.88 (0.85 to 0.90) 0.81 (0.77 to 0.85) 0.02 (−0.02 to 0.06) −0.03 (−0.10 to 0.04) 0.002 (−0.04 to 0.04) −0.03 (−0.1 to 0.04) 0.07 (0.02 to 0.1)
 n 260 82 260 82 256 80
 SF-12v2 PCS score 37.6 (36.9 to 38.3) 38.7 (37.5 to 40.0) 47.4 (46.4 to 48.4) 47.1 (45.3 to 48.8) 47.2 (46.2 to 48.2) 46.5 (44.8 to 48.3) 9.6 (8.1 to 11.0) 7.8 (5.2 to 11.5) −0.2 (−1.9 to 1.5) −0.5 (−3.5 to 2.5) 0.7 (−1.4 to 2.7)
 n 260 82 260 82 260 82
 SF-12v2 MCS score 50.1 (48.8 to 51.3) 47.6 (45.4 to 49.9) 51.1 (50.0 to 52.1) 47.8 (45.9 to 49.6) 50.0 (48.9 to 51.1) 45.0 (43.1 to 47.0) −0.03 (−2.1 to 2.0) −2.6 (−6.2 to 1.1) −1.1 (−2.9 to 0.8) −2.7 (−6.1 to 0.6) 5.0 (2.7 to 7.3)
 n 260 82 254 79 254 79
 Disease burden
 Hospital admissions 0.1 (0.07 to 0.2) 0.1 (−0.04 to 0.2) 0.1 (0.03 to 0.2) 0.02 (−1.0 to 0.1) 2.1 (−1.4 to 5.5) 0.6 (−5.5 to 6.7) 1.9 (−2.3 to 6.1) 0.5 (−7.0 to 8.0) 2.0 (−2.2 to 6.2) 0.6 (−6.9 to 8.1) 2.1 (−1.4 to 5.5)
 n 260 82 260 82 259 82
 Lost working days 4.9 (1.6 to 8.1) 7.2 (1.4 to 13.0) 2.2 (−0.7 to 5.0) 8.0 (3.0 to 13.1) 3.4 (−0.7 to 7.5) 8.0 (3.0 to 13.1) −1.5 (−7.9 to 4.9) 0.9 (−10.5 to 12.2) 1.2 (−4.9 to 7.3) 0.01 (−10.8 to 10.8) −4.6 (−13.0 to 3.7)
 n 260 82 260 82 257 82

Data are presented as mean (difference) with 95% CI.

HbA1c concentrations are presented in mmol/mol.

EQ-5D-3L, three-level version of EuroQol 5-Dimension; EQ-VAS, EQ-Visual Analogue Scale; FSL-FGM, FreeStyle Libre flash glucose monitoring; HbA1c, hemoglobin A1c; MCS, Mental Component Summary; PCS, Physical Component Summary; SF-12v2, 12-Item Short Form Health Survey version 2.