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. 2018 Aug 30;8(8):e020545. doi: 10.1136/bmjopen-2017-020545

Table 2.

Study population characteristics

Author Intervention Number (n) Age (years) Male (%) LVEF (%) NYHA class II (%) NYHA class III (%) NYHA class IV (%) LVEDD (mm) 25(OH)D (ng/mL) Ischaemic cause (%) Hypertension
(%)
Diabetes (%)
Turrini et al 26 Vitamin D 17 77±7 35.3 54.7±13.8 64.7 35.3 0 51±1.58 9.4±5.2 41.2 64.7 35.3
Placebo 16 79±7 43.8 49.2±19.1 68.7 21.3 0 54±3.48 9.6±7.3 43.7 43.7 18.7
Witte et al 30 Vitamin D 80 68.5±12.45 83.8 25.6±10.80 92.5 7.5 0 57.6±8.62 38.2±24.81 55.0 NR 21.3
Placebo 83 69.0±13.78 74.7 26.5±10.62 85.5 14.5 0 58.0±6.49 36.4±20.24 60.2 NR 24.1
Qu et al 31 Vitamin D 22 70±7 59.3 34.9±3.8 NR NR NR NR NR NR 66.7 81.5
Blank 17 69±8 51.8 34.6±3.9 NR NR NR NR NR NR 63.0 85.2
Dalbeni et al 27 Vitamin D 13 71.2±6.22 84.6 39.08±8.00 58.8* 50.0† 53.9±6.81 16.2±6.59 76.9 100 NR
Placebo 10 73.4±13.78 60.0 43.6±7.63 41.2* 50.0† 50.6±7.04 16.0±6.15 90 100 NR
Boxer et al 32 Vitamin D 19 65.8±10.6 48.4 39.2±13.2 55.0 73.0 0 NR 19.1±9.3 25.8 83.0 51.6
Placebo 15 66.0±10.4 54.5 36.1±14.5 45.0 27.0 0 NR 17.8±9.0 30.3 84.8 42.4
Shedeed29 Vitamin D 42 0.86±1.3 64.29 36.4±2.26 NR NR NR 32.81±4.6 13.4±2.21 NR NR NR
Placebo 38 0.93±1.0 57.89 37.2±2.62 NR NR NR 30.7±5.2 14.0±2.46 NR NR NR
Schleithoff et al 28 Vitamin D+calcium 42 57±7.41 85.25 32.5±8.67 NR NR NR 69.0±8.89 14.4±7.85 47 38 20
Placebo+calcium 51 54±8.89 80.65 33.0±7.56 NR NR NR 69.0±9.26 15.3±7.48 40 32 23

*I and II.

†III and IV.

25(OH)D, 25-hydroxyvitamin D; LVEDD, left ventricular end-diastolic dimension; LVEF, left ventricular ejection fraction; NR, not reported; NYHA, New York Heart Association.