. 2024 Nov 15;16(11):6718–6726. doi: 10.62347/JPHM2503

Table 4.

Comparison of serum factor levels between the two groups before and after operation (x̅±s)

Group			Conventional group (n=33)	Hysteroscopy group (n=35)	t	P
β-HCG (IU/L)	Before operation		205.34±11.43	207.35±14.10	0.643	0.522
	After operation	1 month	96.09±20.74^a	55.13±18.69^a	8.564	0.000
	After operation	3 months	5.71±0.24^a,^b	3.29±0.13^a,^b	52.109	0.000
CK (μg/mL)	Before operation		172.84±9.46	172.56±9.34	0.123	0.903
	After operation	1 month	60.41±2.87^a	49.37±2.92^a	15.712	0.000
	After operation	3 months	38.71±1.43^a,^b	26.37±1.35^a,^b	36.605	0.000
CXCL10 (ng/mL)	Before operation		98.56±6.27	97.90±6.15	0.438	0.663
	After operation	1 month	76.61±4.23^a	63.70±3.70^a	13.416	0.000
	After operation	3 months	49.78±1.68^a,^b	40.05±1.46^a,^b	25.533	0.000
PAPP-A (ng/mL)	Before operation		20.15±2.93	19.60±3.71	0.676	0.502
	After operation	1 month	23.30±4.36^a	25.17±2.61^a	2.160	0.034
	After operation	3 months	24.85±3.73^a,^b	26.80±2.84^a,^b	2.434	0.018
PLGF (ng/L)	Before operation		198.12±16.75	203.91±20.98	1.253	0.215
	After operation	1 month	167.39±16.29^a	152.80±15.04^a	3.840	< 0.001
	After operation	3 months	147.52±17.40^a,^b	133.31±14.81^a,^b	3.633	< 0.001

Note: intra-group comparison with preoperative level;

P < 0.05.

intra-group comparison with postoperative 1 month;

P < 0.05.

HCG, Human chorionic gonadotropin; CK, creatine kinase; CXCL10, trend factor interleukin-10; PAPP-A, pregnancy-associated plasma protein-A; PLGF, placental growth factor.