Table 1.

Serum PG I and II levels in various gastric disorders (n = 282)

Group	N	PG I (μg/L)	PG II (μg/L)	PG I/PG II
Healthy controls	34	118.39 ± 47.80	12.39 ± 5.90	11.74 ± 6.23
Non-atrophic gastritis	55	112.46 ± 51.71	12.57 ± 5.98	10.63 ± 5.74
Atrophic gastritis	20	93.63 ± 49.34	10.85 ± 4.58	11.07 ± 5.78
Early gastric cancer	13	71.48 ± 28.78‡▼	14.22 ± 4.90	5.19 ± 1.70‡†
Advanced gastric cancer	69	53.39 ± 34.03‡†	12.29 ± 5.63	4.88 ± 3.76‡†
Gastric ulcer	36	147.58 ± 57.81▲†	15.60 ± 13.42	14.47 ± 13.02
Duodenal ulcer	31	217.43 ± 51.12‡†	21.90 ± 19.45▲†	18.57 ± 16.63▲†
Gastrectomy	23	40.70 ± 15.38‡*	8.52 ± 4.52	4.43 ± 2.38‡
Recurrence after gastrectomy	1	289.32	65.89	4.39

Data were shown as mean ± SD.

^‡p < 0.005, ^▲p < 0.05 vs. Healthy controls; ^†p < 0.005, ^▼p < 0.05 vs. NAG; ^*p < 0.05 vs. CAG.