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. 2022 Jul 27;12(7):e057562. doi: 10.1136/bmjopen-2021-057562

Table 4.

Cox regression analyses of all-cause mortality according to TC and LDL-C levels in cases and controls

Beta value HR (95% CI) per 1 mmol/L P value
Case/control Case/control Case/control
TC, n=737/737 −0.36/−0.31 0.70 (0.62 to 0.79)/0.73 (0.60 to 0.89) <0.001/0.002
TC* −0.29/−0.20 0.75 (0.66 to 0.85)/0.86 (0.71 to 1.04) <0.001/0.13
TC† −0.19/−0.13 0.83 (0.73 to 0.95)/0.94 (0.76 to 1.16) 0.005/0.57
TC <median‡ −0.54/−0.60 0.58 (0.45 to 0.75)/0.55 (0.37 to 0.82) <0.001/0.003
TC <median* −0.50/−0.40 0.61 (0.47 to 0.79)/0.67 (0.45 to 1.01) <0.001/0.054
TC <median† −0.39/−0.32 0.68 (0.53 to 0.89)/0.72 (0.46 to 1.13) 0.004/0.15
TC ≥median‡ −0.22/0.39 0.80 (0.60 to 1.08)/1.48 (0.99 to 2.21) 0.14/0.058
TC ≥median* −0.13/0.38 0.87 (0.65 to 1.17)/1.46 (0.94 to 2.28) 0.37/0.095
TC ≥median† −0.11/0.44 0.90 (0.67 to 1.20)/1.56 (0.96 to 2.52) 0.47/0.073
LDL-C, n=703/703 −0.44/−0.33 0.64 (0.56 to 0.74)/0.74 (0.59 to 0.93) <0.001/0.010
LDL-C* −0.37/−0.21 0.69 (0.60 to 0.80)/0.87 (0.70 to 1.08) <0.001/0.21
LDL-C† −0.24/−0.07 0.79 (0.67 to 0.92)/0.96 (0.75 to 1.22) 0.003/0.71
LDL-C <median‡ −0.47/−0.48 0.64 (0.46 to 0.87)/0.62 (0.41 to 0.95) 0.002/0.027
LDL-C <median* −0.45/−0.29 0.64 (0.47 to 0.86)/0.75 (0.49 to 1.16) 0.004/0.20
LDL-C <median† −0.32/−0.22 0.73 (0.53 to 1.00)/0.79 (0.48 to 1.28) 0.052/0.34
LDL-C ≥median‡ −0.01/0.61 0.99 (0.75 to 1.30)/1.83 (1.14 to 2.95) 0.93/0.013
LDL-C ≥median* 0.08/0.57 1.09 (0.81 to 1.45)/1.77 (1.08 to 2.91) 0.58/0.024
LDL-C ≥median† 0.11/0.64 1.11 (0.83 to 1.49)/1.89 (1.09 to 3.28) 0.48/0.023

The median follow-up time for cases and controls taken together was 8.2 years.

*Adjusted for age and sex.

†Adjusted for age, sex, diabetes, hypertension and previously diagnosed angina pectoris.

‡Medians for TC cases, TC controls, LDL-C cases and LDL-C controls were 5.0, 5.6, 3.2 and 3.7 mmol/L, respectively.

LDL-C, low-density lipoprotein cholesterol; TC, total cholesterol.