Pixu syndrome grading and its relationship with D-xylose and BT-PABA absorption in 183 patients

Table 1 Relationship between concentration of D-xylose and BT-PABA [mean ± s, % (n)]

Group	D-xylose	BT-PABA
Normal	26.37 ± 0.70 (32)	74.57 ± 1.47 (36)
Chronic superficial gastritis	20.70 ± 1.18 (115)	49.15 ± 1.64 (115)
Chronic atrophic gastritis	18.33 ± 2.67 (14)	56.35 ± 4.84 (14)
Peptic ulcer	17.46 ± 1.81 (19)	46.72 ± 3.22 (19)
Chronic colitis	21.21 ± 2.16 (34)	52.11 ± 2.81 (34)

Table 2 Relationship between excretory rate of D-xylose and level of BT-PABA [mean ± s, % (n)]

Group	D-xylose	BT-PABA
Normal	26.37 ± 0.70 (32)	74.57 ± 1.47 (36)
Disharmony between liver and stomach	19.35 ± 1.69 (57)	48.15 ± 2.45 (57)
Spleen and stomach (cold) asthenia	19.95 ± 1.44 (57)	53.11 ± 2.12 (57)
Damp and heat of spleen and stomach (bowel)	24.17 ± 2.21 (35)	50.38 ± 2.55 (35)
Spleen and stomach-yin deficiency	19.86 ± 2.73 (14)	51.47 ± 5.47 (14)
Spleen and kidney-yang deficiency	17.84 ± 4.89 (9)	44.72 ± 6.45 (9)
Blood stasis impeding meridians	16.57 ± 3.26 (10)	47.70 ± 4.48 (10)

Table 3 Relationship between various grades of spleen asthenia and the level of D-xylose or BT-PABA [mean ± s, % (n)]

Index	Mild	Moderate	Severe
D-xylose	21.91 ± 2.42 (16)	19.86 ± 1.73 (49)	16.81 ± 2.62 (15)
BT-PABA	51.22 ± 3.09 (16)	52.75 ± 2.56 (49)	49.78 ± 5.10 (15)

Table 4 Relationship between grade of the main symptoms of pixu and the D-xylose excretory rate [mean ± s, % (n)]

Main symptoms	Pixu syndrome grade
	Mild	Moderate	Severe
Poor appetite	25.64 ± 3.28 (8)	20.50 ± 1.93 (34)	16.31 ± 2.89 (11)
Epigastric fullness	22.29 ± 3.89 (8)	20.68 ± 2.16 (25)	19.18 ± 3.24 (8)
Loose bowel movement	27.36 ± 3.32 (5)	20.07 ± 2.29 (27)	16.31 ± 2.89 (11)
Fatigue and shortness of Qi	23.01 ± 3.65 (7)	19.79 ± 2.33 (28)	17.21 ± 3.72 (8)

Table 5 Relationship between the grade of symptoms of pixu and the level of BT-PABA [mean ± s, % (n)]

Main symptoms	Pixu syndrome grade
	Moderate	Mild	Severe
Poor appetite	53.29 ± 4.53 (8)	53.76 ± 2.83 (34)	51.93 ± 5.37 (11)
Epigastric fullness	50.60 ± 5.22 (8)	53.81 ± 3.74 (25)	45.39 ± 5.60 (8)
Loose bowel movement	58.36 ± 5.53 (5)	51.73 ± 3.48 (27)	51.92 ± 5.37 (11)
Fatigue and shortness of Qi	51.59 ± 4.28 (8)	52.23 ± 3.42 (28)	49.21 ± 6.81 (8)