Ultrastructure and molecular biological changes of chronic gastritis, gastric cancer and gastric precancerous lesions: a comparative study

Table 3 Mitochondria utrastructures of gastric mucosa epithelial cells in CG and GC (x^-± s)

Group	n	Number	Swelling or Ovegrowth (%)	Matrix fading (%)	Vacuolar degeneration (%)	Pyknosis (%)	Crista number	Fragmentation and derangement of cristas (%)
NC	15	86.5 ± 27.3	3.4 ± 1.6	3.0 ± 1.1	2.9 ± 1.9	1.1 ± 0.8	12.8 ± 3.2	2.2 ± 1.1
CSG	68	65.4 ± 21.1b	7.2 ± 3.8b	7.8 ± 5.0b	6.4 ± 4.5b	1.9 ± 0.9b	8.2 ± 3.2b	5.8 ± 3.1b
CAG	64	52.2 ± 20.8bd	10.9 ± 4.5bd	11.7 ± 8.6bd	11.6 ± 7.7bd	3.7 ± 1.1bd	6.9 ± 3.5bc	8.9 ± 3.7bd
CA	36	38.8 ± 31.5bde	12.9 ± 4.2bde	15.6 ± 5.4bdf	14.6 ± 5.8bde	3.9 ± 0.6bd	8.1 ± 1.9bde	10.5 ± 2.7bde
IMIIb	8	36.8 ± 30.8b	13.8 ± 3.2b	14.1 ± 4.3b	12.5 ± 3.9b	3.3 ± 0.8bg	9.3 ± 2.1b	7.6 ± 1.1bh
ATP++	13	49.1 ± 27.9b	11.3 ± 2.9b	8.3 ± 3.5bh	9.3 ± 4.7b	1.9 ± 0.5bhj	11.3 ± 1.8hi	5.2 ± 1.2bhj
IM++ + ATP++	9	41.3 ± 30.8b	12.8 ± 2.1b	12.1 ± 2.8bg	11.2 ± 3.7b	2.3 ± 0.3bhjk	11.0 ± 1.5ahi	6.2 ± 1.3bhi
IM+++ + ATP++	8	35.4 ± 31.5b	13.3 ± 4.3b	15.2 ± 5.3bl	12.8 ± 4.3b	3.9 ± 0.5bbln	8.4 ± 2.1bln	8.6 ± 1.0bhln