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Table 3 Univariate cox proportional hazard modeling (K–M significant)

From: Native glycan fragments detected by MALDI mass spectrometry imaging are independent prognostic factors in pancreatic ductal adenocarcinoma

Glycan fragments

p value (log p)

HR (95% CI)

Cancer cell region

 HexS

0.023*

0.47 (0.24–0.91)

 dHexHexS

0.028*

0.24 (0.058–0.96)

 HexHexNAcAc

0.038*

0.47 (0.22–0.97)

 HexHexNAcS

0.01*

0.39 (0.19–0.82)

 dHexPenHexAc

0.027*

0.60 (0.38–0.95)

 KdoHexAHexA

0.011*

0.29 (0.11–0.80)

 HexHexHexNAcS

0.023*

0.39 (0.17–0.91)

 HexHexNAcHexNAcS

0.027*

0.30 (0.092–0.93)

 HexNAcHexPNeuAc

0.012*

0.25 (0.079–0.80)

 dHexHexHexSHexNAc

0.011*

0.25 (0.079–0.80)

 HexA

0.012*

2.32 (1.19–4.53)

 Chondroitin or hyaluronan

0.007**

2.25 (1.23–4.10)

 HexAHexNAc

0.007**

2.25 (1.23–4.10)

 Chondroitin sulfate

0.026*

1.74 (1.06–2.85)

 dHexHexHexAMe

0.025*

2.19 (1.08–4.44)

 HexAHexNAcHexNAc

0.038*

2.25 (1.03–4.92)

Stroma region

 HexS

0.0028**

0.50 (0.32–0.80)

 N-Acetylhexosamine sulfate

0.040*

2.00 (1.02–3.91)

 HexAHexNAc

0.027*

1.97 (1.07–3.61)

 N-Acetylhexosamine disulfate

0.020*

2.49 (1.12–5.52)

 HexANAcS

0.012*

2.19 (1.17–4.09)

  1. "*" p<0.05; "**" p<0.01