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Table 1 The sample size, median, and mean (SD) urinary iodine concentration (UIC) and percentage of subjects with urinary iodine concentration > 300 μg/L

From: Current iodine nutrition status and progress toward elimination of iodine deficiency disorders in Jazan, Saudi Arabia

Item Urinary iodine concentration (μg/L) % with iodine concentration > 300 μg/L
  N Median Mean (SD)
Gender       
 Male 131 484 516 ± 213 P < 0.001 88 P < 0.001
 Female 180 369 399 ± 245   64  
Residency       
 Rural 234 415 440 ± 230 P = 0.230 71 P < 0.05
 Urban 77 436 475 ± 200   83  
Total 311 420 449 ± 239   74