Parameters 60+ years
n=99 (%)
15-59 years
n=101(%)
Odds Ratio (95% CI) p value
Stool appearance        
Color        
Brown 99 (100) 101 (100) - -
Consistency     - --
Soft 57 (58) 50 (51) 1.16 (0.71 – 1.91) 0.528
Loose 41 (41) 49 (49) 0.85 (0.50 – 1.45) 0.534
Blood 1 (1) 0 --- 0.313
Mucus 94 (95) 81 (80) 1.18 (0.77 – 1.81) 0.415
Worm 0 0    
pH        
Acidic 85 (86) 91 (90) 0.95 (0.62 – 1.46) 0.815
Alkaline 14 (14) 10 (10) 1.43 (0.56 – 3.66) 0.413
Microscopic examination        
Protozoa/HPF 7 (7) 9 (9) 0.79 (0.25 – 2.44) 0.675
Giardia lamblia 3 (7) 3 (3) 1.02 (0.16 – 6.51) 0.980
E. coli 4 (4) 2 (2) 2.04 (0.31 – 16.44) 0.407
Endolimex nana 0 2 (2) 0.00 (0.00 – 4.25) 0.163
T. hominis 0 1 (1) 0.00 (0.00 – 17.97) 0.323
E. hominis 0 1 (1) 0.00 (0.00 – 17.97) 0.323
Blastocystis hominis 17 (17) 17 (17) 1.02 (0.46 – 2.24) 0.957
Helminth/HPF 7 (7) 21 (21) 0.34 (0.12 – 0.89) 0.014*
Ascaris lumbricoides 5 (5) 21 (21) 0.24 (0.08 – 0.72) 0.003*
Trichuris trichura 1 (1) 00 --- 0.313
E. vermicularis 1 (1) 00 --- 0.313
Cell/HPF        
RBC (1-50) 1 (1) 2 (2) 0.51 (0.02 – 7.32) 0.578
Pus Cells (11-50) 1 (1) 3 (3) 0.34 (0.01 - 375) 0.331
Macrophage (1-20) 2 (2) 1 (1) 2.04 (0.14 – 57.79) 0.555
Others         
Vegetable cells 55 (56) 40 (40) 1.91 (1.05 – 3.84) 0.023*
Yeasts 40 (40) 22 (22) 1.85 (0.99 – 3.49) 0.038*
Neutral Fat 13 (13) 9 (9) 1.47 (0.56 – 3.94) 0.393
C. L. Crystal 1 (1) 0 --- 0.313
Starch 2 (2) 6 (6) 0.34 (0.05 - 1.92) 0.173
*p value<0.05
Table 1: Characteristics of stool microscopy in elderly individuals and young adults.