Table 1 Basic characteristics in the training set and validation set.
From: A risk prediction nomogram for resistant hypertension in patients with obstructive sleep apnea
Characteristic | Training set (n = 539) | Validation set (n = 259) |
|---|---|---|
Sex | ||
Male | 437 (81.1) | 210 (81.1) |
Age (year) | 52.26 (13.58) | 54.23 (12.67) |
BMI (kg/m2) | 27.30 (4.01) | 27.16 (4.06) |
Smoke | 198 (36.7) | 90 (34.7) |
Alcohol | 65 (12.1) | 33 (12.7) |
Family history of hypertension | 169 (31.4) | 77 (29.7) |
Heart disease | 71 (13.2) | 38 (14.7) |
Diabetes | 101 (18.7) | 45 (17.4) |
Resistant hypertension | 116 (21.5) | 49 (18.9) |
Neck circumference (cm) | 36.13 (2.05) | 36.22 (2.2) |
Waist circumference (cm) | 95.11 (5.10) | 95.76 (7.17) |
ESS | 10.72 (3.17) | 10.81 (2.14) |
Total sleep time (h) | 7.41 (1.88) | 7.7 (1.66) |
AHI | 29.57 (17.87) | 27.31 (16.27) |
T90 (%) | 1.88 (7.53) | 1.59 (6.61) |
ODI | 20.32 (18.91) | 18.14 (17.38) |
LSaO2 (%) | 76.36 (10.67) | 77.61 (13.18) |
MSaO2 (%) | 94.87 (4.53) | 94.96 (2.68) |
TC (mmol/L) | 4.31 (0.99) | 4.34 (1.02) |
Triglyceride (mmol/L) | 2.00 (1.71) | 2.01 (1.15) |
HDL (mmol/L) | 1.11 (0.25) | 1.08 (0.22) |
LDL (mmol/L) | 2.57 (0.76) | 2.56 (0.71) |
FBG (mmol/L) | 5.77 (1.56) | 5.86 (1.85) |