Table 1: Association of low testosterone levels with all-cause mortality by different cut-offs from recent studies.

Cut-off for the definition of low total testosterone (TT)MMAS; [8]  
TT < 6.94 nmol/L
(200 ng/dL)
Wang; [31]  
TT < 8.0 nmol/L
(230 ng/dL)
Rancho Bernardo; [7]  
TT < 8.36 nmol/L
(241 ng/dL)
Male veterans study; [32]  
TT < 8.7 nmol/L
(250 ng/dL)
HIM; [33]  
TT < 10.41 nmol/L
(300 ng/dL)
EPIC; [6]  
TT < 12.5 nmol/L
(360 ng/dL)
Age-specific cut-off
<10th percentile

Low TT ( ) 34698298241474
Model 11.59 (0.83; 4.02)1.96 (0.93; 3.63)2.21 (1.26; 3.89)**2.24 (1.41; 3.57)**1.33 (0.93; 1.90)1.28 (0.95; 1.72)2.21 (1.40; 3.49)**
Model 22.12 (1.01; 4.46)*2.08 (1.12; 3.86)*2.33 (1.33; 4.12)**2.10 (1.34; 3.29)**1.28 (0.89; 1.84)1.20 (0.88; 1.62)2.26 (1.43; 3.59)**
Model 32.50 (1.18; 5.27)*2.24 (1.21; 4.17)*2.53 (1.43; 4.47)**2.32 (1.38; 3.89)**1.37 (0.95; 1.99)1.28 (1.93; 1.75)2.35 (1.47; 3.74)***
Model 42.68 (1.19; 6.04)*2.13 (1.06; 4.26)*2.56 (1.38; 4.76)**1.92 (1.18; 3.14)**1.11 (0.72; 1.69)1.10 (0.78; 1.56)2.25 (1.35; 3.75)**

Model 1: adjusted for age. Model 2: adjusted for age, and WC. Model 3: adjusted for model 2, smoking (3 categories), high-risk alcohol use, and physical activity. Model 4: adjusted for model 3, renal insufficiency, and DHEAS. HR: hazard ratio; CI: 95% confidence interval; CVD: cardiovascular disease; WC: waist circumference; DHEAS: dehydroepiandrosterone sulfate.
.
.
.