Table 3 Subgroup analysis on all-cause mortality across tertiles of TSH levels
TSH tertiles | No. of patients with events (%) | Adjusted HR [95% CI] | P for interaction | ||||
|---|---|---|---|---|---|---|---|
1st tertile | 2nd tertile | 3rd tertile | 1st tertile | 2nd tertile | 3rd tertile | ||
Total | 49(11.8) | 56(13.4) | 90(21.9) | Ref. | 1.11[0.75,1.65] | 1.56[1.08,2.25] | Â |
Age | Â | Â | Â | Â | Â | Â | 0.34 |
 > 65 years | 38(17.1) | 50(19.3) | 77(28.3) | Ref. | 1.18[0.76,1.83] | 1.53[1,02,2.30] |  |
 ≤ 65 years | 11(5.7) | 6(3.7) | 13(9.4) | Ref. | 0.62[0.21,1.83] | 1.40[0.53,3.70] |  |
Sex | Â | Â | Â | Â | Â | Â | 0.555 |
 Male | 39(10.5) | 43(12.9) | 59(19.6) | Ref. | 1.24[0.80,1.94] | 1.59[1.04,2.43] |  |
 Female | 10(23.2) | 13(15.4) | 31(28.1) | Ref. | 0.68[0.27,1.68] | 1.08[0.49,2.4] |  |
Diabetes | Â | Â | Â | Â | Â | Â | 0.944 |
 Yes | 15(17.4) | 15(19.4) | 30(29.7) | Ref. | 0.97[0.44,2.13] | 1.23[0.6,2.55] |  |
 No | 34(10.3) | 41(12.0) | 60(19.4) | Ref. | 1.29[0.81,2.07] | 1.73[1.11,2.69] |  |
Hypertension | Â | Â | Â | Â | Â | Â | 0.729 |
 Yes | 31(12.6) | 39(16.5) | 59(26.2) | Ref. | 1.39[0.85,2.26] | 1.82[1.15,2.87] |  |
 No | 18(10.7) | 17(9.3) | 31(16.7) | Ref. | 0.62[0.32,1.24] | 0.97[0.52,1.82] |  |
Clinical presentation | Â | Â | Â | Â | Â | Â | 0.380 |
 STEMI | 41(11.6) | 45(12.4) | 76(22.8) | Ref. | 1.06[0.69,1.64] | 1.76[1.18,2.63] |  |
 NSTEMI | 8(13.1) | 11(20.0) | 14(17.9) | Ref. | 1.41[0.51,3.93] | 1.65[0.70,3.89] |  |
GRACE score | Â | Â | Â | Â | Â | Â | 0.019 |
 High risk | 30(16.9) | 38(18.7) | 75(35.7) | Ref. | 1.27[0.77,2.01] | 2.02[1.29,3.16] |  |
 Low/medium risk | 19(8.0) | 18(8.4) | 15(7.5) | Ref. | 0.93[0.47,1.83] | 0.69[0.33,1.45] |  |