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Table 3 Propensity score matching description

From: Validity of upfront surgery for patients with unsuspected lymph node metastasis in esophageal cancer: a propensity scoring matching study

Covariates Total Population Propensity-matched Population
non- NT
(n = 26)
NT
(n = 29)
p-value standardized difference non- NT
(n = 26)
NT
(n = 26)
p-value standardized difference
Age 62.0 ± 8.0 59.5 ± 5.2 0.172 −0.479 62.0 ± 8.0 59.1 ± 5.3 0.130 −0.558
Ivor Lewis 23 22 0.303 0.289 23 22 0.500 0.088
pT Stage 2.4 ± 0.9 3.5 ± 0.5 < 0.001 2.084 2.4 ± 0.9 3.5 ± 0.5 < 0.001 2.193