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. 2017 Apr 28;4(1):e000598. doi: 10.1136/openhrt-2017-000598

Table 1.

Comparisons of clinical features of patients by tertiles of FIB4 index (n=1058)

First tertile
FIB4 <1.72
(n=353)
Second tertile
1.72< FIB4<3.01
(n=353)
Third tertile
3.01< FIB4
(n=352)
p Value
Age (years) 56.1±15.0 70.6±10.6** 75.4±9.4**†† <0.001
Male gender (n, %) 230 (65.2) 213 (60.3) 200 (56.8) 0.075
Body mass index (kg/cm2) 24.4±4.4 23.0±4.3** 22.7±3.8**†† <0.001
Systolic BP (mm Hg) 125.8±29.5 129.2±33.4 129.6±33.0 0.222
Diastolic BP (mm Hg) 73.0±20.6 72.9±20.0 72.1±20.5 0.820
Heart rate (bpm) 82.0±23.5 79.8±25.0 80.7±24.7 0.490
NYHA class III or IV 4 (1.1) 9 (2.5) 18 (5.1) 0.006
Ischaemic aetiology (n, %) 79 (22.4) 94 (26.6) 104 (29.5) 0.094
Reduced LVEF (n, %) 197 (55.8) 179 (50.7) 192 (54.5) 0.367
Comorbidity
Hypertension (n, %) 256 (72.5) 295 (83.6) 280 (79.5) 0.001
Diabetes (n, %) 134 (38.0) 151 (42.8) 147 (41.8) 0.390
Dyslipidaemia (n, %) 290 (82.2) 280 (79.3) 258 (73.3) 0.014
Atrial fibrillation (n, %) 98 (27.8) 137 (38.8) 175 (49.7) <0.001
CKD (n, %) 149 (42.2) 207 (58.6) 258 (73.3) <0.001
Anaemia (n, %) 155 (43.9) 196 (55.5) 238 (67.6) <0.001
Medications
RAS inhibitors (n, %) 262 (74.2) 274 (77.6) 267 (75.9) 0.572
β-blockers (n, %) 278 (78.8) 288 (81.6) 271 (77.0) 0.317
Diuretics (n, %) 217 (61.5) 249 (70.5) 263 (74.7) 0.001
Inotropic agents (n, %) 25 (7.1) 34 (9.6) 57 (16.2) <0.001

Data are presented as median (IQR).

**p<0.01 versus 1 tertile.

††p<0.01 versus second tertile.

BP, blood pressure; NYHA, New York Heart Association; LVEF, left ventricular ejection fraction; CKD, chronic kidney disease; RAS, rennin-angiotensin-aldosterone system.