Skip to main content

Table 2 Subgroup analyses after stratification for mean age, population, geographic area, and follow-up length

From: Short Physical Performance Battery and all-cause mortality: systematic review and meta-analysis

  N SPPB 0–3 vs. SPPB 10–12 N SPPB 4–6 vs. SPPB 10–12 N SPPB 7–9 vs. SPPB 10–12
15 OR (95% CI) I2% p 17 OR (95% CI) I2% p 17 OR (95% CI) I2% p
Mean age     0.37     0.19     0.24
 ≤75 7 3.54 (2.81–4.46) 0   8 2.40 (1.97–2.93) 0   8 1.65 (1.27–2.16) 59  
 >75 8 3.12 (2.67–3.65) 0   9 2.04 (1.79–2.33) 0   9 1.38 (1.22–1.57) 0  
Population     0.36     0.32     0.91
 General population 10 3.27 (2.86–3.75) 0   11 2.22 (1.98–2.49) 0   11 1.48 (1.32–1.65) 9  
 Outpatients 2 2.53 (1.56–4.12) 0   3 1.45 (0.83–2.52) 14   3 1.48 (0.54–4.08) 80  
 Hospitalized 3 4.93(2.18–11.14) 0   3 1.94 (0.85–4.41) 0   3 1.23 (0.53–2.85) 0  
Geographic area     0.40     0.24     0.37
 Europe 11 3.44 (2.91–4.07) 0   11 2.02 (1.74–2.33) 3   11 1.42 (1.25–1.60) 0  
 Asia 1 1.15(0.13–10.54)   1 3.94(1.34–11.56)   1 1.95 (0.82–4.63)  
 North America 3 3.01(2.46–3.69) 0   5 2.34 (1.96–2.80) 0   5 1.79 (1.26–2.55) 73  
Follow-up length     0.49     0.30     0.94
 ≤1 year 3 4.22 (1.97–9.02) 0   4 1.42 (0.65–3.10) 0   4 1.51 (0.50–4.59) 64  
 >1 year 12 3.22 (2.83–3.69) 0   13 2.16 (1.94–2.41) 0   13 1.45 (1.32–1.60) 0  
     0.72     0.77     0.84
 ≤5 years 10 3.30 (2.82–3.86) 0   11 2.13 (1.86–2.43) 0   11 1.53 (1.23–1.91) 49  
 >5 years 5 3.13 (2.48–3.96) 5   6 2.22 (1.73–2.85) 35   6 1.49 (1.27–1.75) 0  
  1. SPPB Short Physical Performance Battery, N number of studies analyzed for subgroup