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Table 5 Subgroup analyses of cancer-specific survival

From: Prognostic significance of pretreatment controlling nutritional status score in urological cancers: a systematic review and meta‐analysis

Subgroup NO. of studies HR (95% CI) P Heterogeneity Model
I2 (%) Ph
Cancer type
 RCC 5 2.67 (1.87–3.81) < 0.001 0.0 0.453 Fixed
 UC 4 1.68 (1.09–2.59) 0.019 59.5 0.060 Random
Cancer stage
 Non-metastatic 6 2.45 (1.44–4.17) 0.001 66.4 0.011 Random
Metastatic 1 5.96 (0.67–53.01) 0.109
 Mixed 2 1.74 (1.32–2.31) < 0.001 0.0 0.721 Fixed
Treatment
 Surgery 8 2.10 (1.51–2.92) < 0.001 54.7 0.031 Random
 Target therapy 1 5.96 (0.67–53.01) 0.109
Sample size
 > 400 5 1.77 (1.41–2.20) < 0.001 38.2 0.166 Fixed
 < 400 4 2.83 (1.23–6.50) 0.014 64.6 0.037 Random
Cuf-off
 3 3 2.66 (1.13–6.27) 0.026 77.4 0.012 Random
 ≤ 2 6 1.85 (1.45–2.35) < 0.001 34.4 0.178 Fixed
Population
 Asian 8 1.82 (1.49–2.23) < 0.001 48.5 0.059 Fixed
 African 1 4.66 (1.62–13.39) 0.004