Research Article

Analysis of Pepsin Concentration and Influencing Factors in Saliva of Elderly Nasal Feeding Patients

Table 1

Demographic and clinical characteristics of the 133 enrolled patients.

VariablesPepsin μg/mla ()Pepsin μg/ml ()

Age (year)0.220
Esophageal hiatal hernia2 (3.63)2 (2.56)0.721
Hyperlipidemia7 (12.72)11 (14.10)0.819
Family history of gastroesophageal disease4 (7.27)7 (8.97)0.726
OSAS1 (1.82)1 (1.28)0.802
Drugs related to GERDb16 (29.09)29 (37.18)0.332
Diabetes14 (25.45)35 (44.87)0.022
Hypertension38 (69.09)48 (61.54)0.370
Mechanical ventilation19 (34.55)36 (46.15)0.213
Total daily feeding volume (ml)0.297
 ≤5006 (10.91)16 (20.51)
 501-150035 (63.63)47 (60.26)
 >150014 (25.45)15 (19.23)
Feeding method0.028
 Syringe injection36 (65.45)36 (46.15)
 Nasal pump feeding19 (34.55)42 (53.85)
Insertion length/height0.774
 <0.3524 (43.64)36 (46.15)
 ≥0.3531 (56.36)42 (53.85)
Tube diameter (mm)0.092
 4.4630 (4.55)31 (39.74)
 3.2325 (45.45)47 (60.26)
Stomach tube placement time (day)0.062
 ≥512c22 (0.4)44 (56.41)
 <51233 (0.6)34 (43.59)

OSAS: obstructive sleep apnea syndrome; GERD: gastroesophageal reflux disease. a7.75 μg/ml is the median of pepsin content. bMainly including nonsteroidal anti-inflammatory drugs, aspirin, and anticholinergic agents. c512 days is the median time of stomach tube placement (day).