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Table 1 Comparison between the 2 groups as regards laboratory data using Mann-Whitney’s U test

From: Fasting salivary pepsin level as a reliable non-invasive method of screening for laryngopharyngeal reflux in Egyptian patients

Variable

Control group (25)

LPR group (25)

Mann-Whitney’s U test

Median (IQR)

Median (IQR)

P value

Hb (g/dL)

12.5 (12–13.5)

13.2 (12.5–13.7)

= 0.1567

PLT (103/μL)

239 (219–319)

278 (229–332)

= 0.4667

TLC (103/μL)

7.5 (5.4–8.5)

6.5 (5–7.6)

= 0.2888

RBS (mg/dL)

125 (120–135)

130 (119.7–135)

= 0.8148

Urea (mg/dL)

16 (14–21)

18 (16–19)

= 0.8074

Creatinine (mg/dL)

1 (0.7–1.1)

0.9 (0.8–1)

= 0.6934

Na (mEq/L)

140 (139–141)

139 (137–141)

= 0.1902

K (mEq/L)

3.6 (3.5–4)

3.7 (3.6–3.9)

= 0.6373

Pepsin in saliva (ng/ml)

5 (4.7–8.2)

9 (7–11.2)

= 0.00065**

  1. Hb Hemoglobin, PLT Platelets, TLC Total leucocytic count, RBS Random blood sugar, Na Sodium, K Potassium
  2. ** statistically significant