Table 1 Demographic and clinical characteristics in patients referred to spine surgery and controls
From: Heart rate variability in sciatica patients referred to spine surgery: a case control study
Variable | Patients (n = 201) | Controls (n = 138) | P-value |
|---|---|---|---|
Men/Women | 113 (56) / 88 (44) | 39 (28) / 99 (73) | <0.0001 |
Age, yr | 42 ± 11 | 42 ± 11 | 0.929 |
BMI, kg/m2 | 26.4 ± 4.4 | 23.9 ± 3.6 | <0.0001 |
Smoking | 124 (62) | 49 (36) | <0.0001 |
LTPA | |||
High | 52 (28) | 55 (40) | 0.014 |
Moderate | 111 (59) | 67 (49) | 0.091 |
Low | 26 (13) | 14 (11) | 0.349 |
Oswestry, % | 37 ± 14 | 2 ± 3 | <0.0001 |
VAS, cm | 5.8 ± 2.5 | 0.6 ± 1.0 | <0.0001 |
Pain Duration, days | 193 ± 119 | 7 ± 16 | <0.0001 |
Hypertension | 20 (10) | 7 (5) | 0.075 |
Diabetes | 3 (1) | 1 (<1) | 0.462 |
CAD | 3 (1) | 2 (1) | 0.671 |
Hypercholesterolemia | 6 (3) | 3 (2) | 0.464 |
Asthma | 7 (3) | 7 (5) | 0.324 |
Arthritis or Fibromyalgia | 4 (2) | 1 (<1) | 0.329 |