Table 3 Adjusted HR for the outcomes according to the tertile of baseline Hb by IFTA status
|  | Mild IFTA (score ≤ 1) | Severe IFTA (score ≥ 2) | ||||
|---|---|---|---|---|---|---|
| Â | Highest tertile of Hb | Middle tertile of Hb | Lowest tertile of Hb | Highest tertile of Hb | Middle tertile of Hb | Lowest tertile of Hb |
|  | ≥ 13.3 | 10.8–13.2 | ≤ 10.7 | ≥ 13.3 | 10.8–13.2 | ≤ 10.7 |
Participants, n | 41 | 26 | 15 | 38 | 52 | 61 |
Renal composite events | ||||||
  Events, n (%) | 15 (36.6) | 10 (38.5) | 8 (53.3) | 14 (36.8) | 34 (65.4) | 38 (62.3) |
  Model 1 | 1 (reference) | 0.95 (0.42–2.18) | 2.64 (1.06–6.57)* | 1 (reference) | 3.19 (1.63–6.25)** | 7.57 (3.49–16.41)** |
  Model 2 | 1 (reference) | 0.87 (0.37–2.04) | 2.93 (1.17–7.30)* | 1 (reference) | 3.17 (1.61–6.22)** | 7.09 (3.23–15.54)** |
  Model 3 | 1 (reference) | 0.38 (0.12–1.20) | 6.21 (1.99–19.40)** | 1 (reference) | 5.40 (2.39–12.18)** | 11.71 (4.84–28.31)** |
All-cause mortality | ||||||
  Events, n (%) | 6 (14.6) | 3 (11.5) | 1 (6.7) | 4 (10.5) | 13 (25.0) | 15 (24.6) |
  Model 1 | 1 (reference) | 0.67 (0.17–2.71) | 0.52 (0.06–4.47) | 1 (reference) | 2.75 (0.87–8.75) | 8.93 (2.68–29.74)** |
  Model 2 | 1 (reference) | 0.53 (0.11–2.65) | 0.55 (0.06–4.79) | 1 (reference) | 2.78 (0.88–8.84) | 8.66 (2.59–29.03)** |
  Model 3 | 1 (reference) | 0.09 (0.002–3.65) | 0.70 (0.02–29.74) | 1 (reference) | 4.47 (1.16–17.22)* | 8.85 (1.78–44.15)** |