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Table 2 Data on microhematuria in patients presenting with suspected acute renal colic at the emergency department

From: Prevalence of microhematuria in renal colic and urolithiasis: a systematic review and meta-analysis

Authors Microhematuria test Type of hematuria Positive microhematuria definition No. patients with microhematuria Microhematuria prevalence
Kim et al. [13] Urinalysis Microscopic Presence of 4 or more RBCs/HPF 750 750/798 (94%)
Desai et al. [14] Urinalysis Microscopic or macroscopic Positive urinalysis for RBCs or for blood 245 245/350 (70%)
Türk and Ün [15] Urinalysis Microscopic NR 432 432/516 (83.7%)
Shrestha et al. [16] Urinalysis Microscopic Presence of 3 or more RBCs 70 70/201 (34.8%)
Odoemene et al. [17] Urinalysis Microscopic or macroscopic NR 62 62/69 (89.9%)
Mefford et al. [18] Urinalysis Microscopic Presence of 4 or more RBCs/HPF 321 321/393 (81.7%)
Rapp et al. [19] Urinalysis Microscopic or macroscopic Presence of 4 or more RBCs/HPF 412 412/613 (67.2%)
Park et al. [20] Urinalysis Microscopic NR 90 90/103 (87.4%)
Hernandez et al. [21] Urine dipstick Microscopic Hematuria on urine dipstick 332 332/536 (61.9%)
Fukuhara et al. [22] Urinalysis or urine dipstick Microscopic or macroscopic Occult blood in urine 352 352/491 (71.7%)
Dorfman et al. [23] Urinalysis Microscopic Presence of 5 or more RBCs/HPF 254 254/339 (74.9%)
Yan et al. [24] Urinalysis Microscopic NR 451 451/565 (79.8%)
Lee et al. [25] Urinalysis Microscopic NR 1980 1980/2218 (89.3%)
Hall et al. [26] Urine dipstick Microscopic or macroscopic Scores of 1+ to 3+ on urine dipstick or documented frank hematuria 391 391/513 (76.2%)
Zwank et al. [27] Urinalysis Microscopic RBCs present 66 66/93 (71%)
Abdel-Gawad et al. [28] Urinalysis Microscopic Presence of 4 or more RBCs/HPF 835 835/939 (88.9%)
Inci et al. [7] Urinalysis Microscopic Presence of 5 or more RBCs/HPF 46 46/83 (55.4%)
Lallas et al. [29] Urinalysis Microscopic Presence of 4 or more RBCs/HPF 18 18/32 (56.3%)
  Urine dipstick Microscopic Trace or scores of 1+ to 4+ on urine dipstick 21 21/32 (65.6%)
Perez et al. [30] Urine dipstick Microscopic NR 132 132/146 (90.4%)
Xafis et al. [31] Urinalysis Microscopic Presence of 5 or more RBCs/HPF 396 396/638 (62.1%)
Serinken et al. [32] Urinalysis Microscopic Presence of 5 or more RBCs/HPF 194 194/235 (82.6%)
Cupisti et al. [33] Urine dipstick Microscopic NR 592 592/696 (85.1%)
Matani and Al-Ghazo [34] Urinalysis Microscopic Presence of 4 or more RBCs/HPF 50 50/75 (66.7%)
Kartal et al. [35] Urinalysis Microscopic Presence of 10 or more RBCs/HPF 146 146/227 (64.3%)
Kirpalani et al. [36] Urine dipstick Microscopic Positive urine dipstick 228 228/299 (76.3%)
Gaspari and Horst [37] Urinalysis Microscopic Presence of 5 or more RBCs/HPF 82 82/110 (74.5%)
Argyropoulos et al. [8] Urine dipstick Microscopic Scores of 1+ to 3+ on urine dipstick 566 566/609 (92.9%)
Unal et al. [38] Urinalysis Microscopic Presence of 4 or more RBCs/HPF 100 100/137 (73%)
Tack et al. [39] Urinalysis or Urine dipstick Microscopic Presence of 2 or more RBCs/HPF or positive dipstick 77 77/106 (72.6%)
Kobayashi et al. [40] Urine dipstick Microscopic Scores of 1+ to 3+ on urine dipstick 382 382/537 (71.1%)
  Urinalysis Microscopic Presence of 5 or more RBCs/HPF 350 350/537 (65.2%)
Eray et al. [41] Urinalysis Microscopic Presence of 6 or more RBCs/HPF 45 45/20 (69.2%)
Luchs et al. [42] Urinalysis Microscopic Presence of 10 or more RBCs/HPF 492 492/587 (83.8%)
Hamm et al. [45] Urinalysis Microscopic Presence of more than 20 mg/dl hemoglobin 66 66/109 (60.6%)
Li et al. [44] Urinalysis or Urine dipstick Microscopic Presence of any number of RBCs/HPF or trace / scores of 1+ to 3+ on urine dipstick 360 360/397 (90.7%)
Hamm et al. [45] Urinalysis Microscopic Presence of 4 or more RBCs/HPF 99 99/125 (79.2%)
Richards and Christman [46] Urinalysis Microscopic Presence of 4 or more RBCs/HPF 156 156/185 (84.3%)
Bove et al. [47] Urine dipstick Microscopic Positive urine dipstick 130 130/180 (72.2%)
  Urinalysis Microscopic Presence of 6 or more RBCs/HPF 128 128/195 (65.6%)
  Urinalysis or Urine dipstick Microscopic Presence of 2 or more RBCs/HPF or positive urine dipstick 153 153/195 (78.5%)
Ooi et al. [9] Urine dipstick Microscopic Scores of 1+ or more on urine dipstick 114 114/122 (93.4%)
  Urinalysis Microscopic Presence of 6 or more RBCs/HPF in males or of 10 or more RBCs/HPF in females 77 77/122 (63.1%)
Ghali et al. [48] Urinalysis Microscopic Presence of 4 or more RBCs/HPF 81 81/125 (64.8%)
Eskelinen et al. [49] Urinalysis Microscopic Presence of 11 or more RBCs/HPF 43 43/57 (75.4%)
Gimondo et al. [50] Urine dipstick Microscopic or macroscopic Positive urine dipstick 56 56/76 (73.7%)
Boyd and Gray [51] Urine dipstick Microscopic Positive urine dipstick 45 45/52 (86.5%)
Press and Smith [52] Urinalysis Microscopic Presence of 1 or more RBCs/HPF 78 78/109 (71.6%)
Chia et al. [53] Urinalysis Microscopic Presence of 6 or more RBCs/HPF in males or of 10 or more RBCs/HPF in females 181 181/294 (61.6%)
Elton et al. [54] Urinalysis Microscopic Presence of 4 or more RBCs/HPF 194 194/275 (70.5%)
Stewart et al. [55] Urinalysis Microscopic Presence of 3 or more RBCs/HPF 132 132/160 (82.5%)
Freeland [56] Urine dipstick Microscopic Trace or scores of 1+ to 3+ on urine dipstick 102 102/134 (76.1%)
Dunn et al. [57] Urinalysis Microscopic Presence of 3 or more RBCs/HPF 62 62/76 (81.6%)
Bishop [58] Urine dipstick Microscopic Positive urine dipstick 44 44/50 (88%)
  1. Abbreviations (alphabetical order): NR not reported, HPF High power Field, RBC Red Blood Cell