Table 1

Comparison of Age Groups, Medications, and Medical Conditions of Cases and Controls

CaseControlP valuea
Age Group
 60-642627    .86
 65-692018    .70
 70-74  913    .35
 75-7913  9    .35
≥80  2  3    .65
Medication
No medication1513    .70
Anti hypertensive drugs
 Thiazides  2  4    .69
 Calcium channel blockers10  8    .63
 Beta-blockers2013    .21
 Loop diuretics  2  31  
 ACE/ARBs1811    .19
 Potassium-sparing diuretics  2  4    .69
 Centrally-acting agents  3  21  
 Association ACE/ARBs + thiazides1112    .82
 Association ACE/ARBs + CCBs  5  2    .45
 Association beta-blockers + thiazides  0  3    .25
Lipid lowering drugs
 Statin222388
 Ezetrol  0  0
Inhalated medication
 Beta-mimetics  3  41  
 Anti-leukotriene  1  11  
Medication (continued)
Others
 Bisphosphonates  0  11  
 Anti-epileptic drug  0  11  
 NSAIDs  1  01  
 Proton pump inhibitor11111  
 Alpha-blocker  3  0    .25
 Melatonin  0  0
 Progestogen  1  01  
 Selective estrogen receptor modulator  0  0
 GnRH analogue  0  0
 Others8892    .75
Medical Conditions
Hypertension5149    .71
Severe arteriopathy  2  11  
Severe venous insufficiency  4  2    .68
Diabetes1412    .66
Hypothyroidy  9  7    .60
Hypoparathyroidy  0  11  
Severe renal insufficiency  6  1    .11
Peripheral neuropathy  3  0    .24
Restless leg syndrome  1  01  
Alcohol addiction  0  2    .50
Cancer (not in remission)  2  21  
Others5559    .38
  • ACE = angiotensin-converting enzyme; ARB = angiotensin II receptor blocker; CCB = calcium channel blocker; GnRH = gonadatrophin-releasing hormone; NSAID = non-steroidal anti-inflammatory drug.

  • a P value were calculated using a χ2 test.