Table 1. Correlation of PPM1D mRNA expression and prognosis in HCC with different characteristics by Kaplan-Meier plotter.

Characteristics	OS (n = 364)			PFS (n = 366)			RFS (n = 313)			DSS (n = 357)
	N	Hazard Ratio	P-value	N	Hazard Ratio	p-value	N	Hazard Ratio	p-value	N	Hazard Ratio	p-value
SEX
Male	246	1.87 (0.91–3.87)	0.085	246	1.52 (1.05–2.2)	0.027	208	1.62 (1.07–2.46)	0.023	241	1.87 (0.91–3.87)	0.085
Female	118	1.69 (0.87–3.27)	0.120	120	1.66 (0.98–2.8)	0.057	105	1.55 (0.84–2.84)	0.160	116	2.12 (1–4.45)	0.044
STAGE
1	170	1.56 (0.85–2.88)	0.150	170	2.31 (1.4–3.8)	0.000	153	2.19 (1.27–3.76)	0.004	167	2.72 (1.12–6.61)	0.021
2	83	1.71 (0.68–4.28)	0.250	84	0.8 (0.42–1.51)	0.490	74	0.67 (0.34–1.29)	0.230	82	2.55 (0.56–9.52)	0.21
3	83	0.65 (0.36–1.18)	0.150	83	0.75 (0.44–1.29)	0.300	68	0.78 (0.42–1.47)	0.440	81	0.65 (0.32–1.34)	0.24
4	5	–	–	–	–	–	–	–	–	–	–	–
AJCC_T
1	180	1.54 (0.86–2.77)	0.140	180	2.18 (1.34–3.54)	0.001	160	2.06 (1.22–3.49)	0.006	177	2.25 (1.01–5.04)	0.042
2	90	1.8 (0.73–4.42)	0.190	92	0.77 (0.42–1.41)	0.400	79	0.68 (0.36–1.27)	0.220	89	2.95 (0.67–12.9)	0.13
3	78	0.58 (0.31–1.09)	0.086	78	1.57 (0.76–3.25)	0.220	65	0.76 (0.4–1.44)	0.390	75	0.52 (0.23–1.18)	0.11
4	13	–	–	13	–	–	6	–	–	13	–	–
Vascular invasion
None	203	1.72 (1.03–2.87)	0.036	204	2.11 (1.33–3.35)	0.001	175	1.95 (1.21–3.15)	0.006	200	1.81 (0.88–3.71)	0.099
Micro	90	2.14 (0.93–4.93)	0.066	91	1.41 (0.79–2.49)	0.240	81	0.52 (0.26–1.01)	0.050	88	2.45 (0.76–7.97)	0.12
Race
white	181	0.73 (0.45–1.18)	0.190	183	1.45 (0.98–2.16)	0.060	147	1.41 (0.9–2.21)	0.130	177	1.34 (0.71–2.52)	0.37
Asian	155	1.9 (1.03–3.49)	0.035	155	1.8 (1.12–2.88)	0.014	143	2.01 (1.2–3.36)	0.007	152	5.57 (1.31–9.65)	0.0086
Hepatitis virus
Yes	150	2.17 (1.11–4.28)	0.021	152	1.97 (1.24–3.12)	0.003	138	2.07 (1.26–3.4)	0.003	149	2.75 (1.13–6.69)	0.02
None	167	1.54 (0.97–2.44)	0.067	167	1.54 (0.97–2.44)	0.067	142	0.72 (0.43–1.18)	0.190	163	2 (0.99–4.05)	0.049