Texture Analysis Improves the Value of Pretreatment ¹⁸F-FDG PET/CT in Predicting Interim Response of Primary Gastrointestinal Diffuse Large B-Cell Lymphoma

Table 2

CR rates in patients with different clinicopathological characteristics.

Characteristic	Number of CR	Number of non-CR	CR rate (%)	value
Lugano stage
Stage I	9	1	90.0	0.062
Stage II and IV	11	9	50.5
IPI score
0–2	16	5	76.2	0.104
3–5	4	5	44.4
Histological subtype
GCB	9	4	69.2	0.554
Non-GCB	11	6	64.7
Intestinal involvement
Involved	6	7	46.2	0.045
Not involved	14	3	82.4
Ki67
<80%	9	3	75.0	0.350
≥80%	11	7	61.1

 < 0.05 indicates a statistically significant difference between groups. GCB: germinal center B-cell-like.