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Table 1 Baseline characteristics of participants according to the SI

From: The effectiveness of the sarcopenia index in predicting septic shock and death in elderly patients with community-acquired pneumonia

Characteristics Total n = 769 Male n = 480 Female n = 289
low SI high SI p low SI high SI p low SI high SI p
Age years,mean(SD) 82.08(8.94) 76.93(9.38)  < 0.001 79.24(9.91) 76.4(9.5) 0.005 82.66(8.24) 77.31(9)  < 0.001
ALB level, g/l, mean(SD) 32.81(6.1) 37.6(5.72)  < 0.001 32.78(5.84) 37.31(5.62)  < 0.001 34.88(6.73) 38.76(5.48)  < 0.001
 < 35 g/l,n(%) 119(62.96) 162(28.32)   75(63.56) 103(28.85)   67(56.78) 36(21.43)  
 ≥ 35 g/,n(%) 70(37.04) 410(71.68)   43(36.44) 254(71.15)   51(43.22) 132(78.57)  
BMI, kg/m2, mean(SD) 21.52(2.43) 21.82(3.05) 0.204 21.64(2.82) 21.66(3.01) 0.934 21.5(2.5) 22.33(3.08) 0.011
eGFR, mL/min/1.73 m2,mean(SD) 125.61(63.42) 85.16(31.17)  < 0.001 135.75(67.06) 84.95(29.3)  < 0.001 107(46.53) 74.92(25.66)  < 0.001
Smoking history,n(%)     < 0.001    0.002    0.85
  no 158(82.29) 314(54.42)   62(52.1) 130(36.01)   70(97.22) 210(96.77)  
  yes 34(17.71) 263(45.58)   57(47.9) 231(63.99)   2(2.78) 7(3.23)  
Drinking history,n(%)     < 0.001    0.594    0.046
  no 165(85.94) 409(71.01)   75(63.03) 217(60.28)   68(94.44) 214(98.62)  
  yes 27(14.06) 167(28.99)   44(36.97) 143(39.72)   4(5.56) 3(1.38)  
Hypertension,n(%)    0.569    0.762    0.697
  no 112(58.33) 350(60.66)   69(57.98) 215(59.56)   57(79.17) 167(76.96)  
  yes 80(41.67) 227(39.34)   50(42.02) 146(40.44)   15(20.83) 50(23.04)  
Diabetes,n(%)    0.02    0.073    0.04
  no 144(75) 477(82.67)   92(77.31) 305(84.49)   37(51.39) 141(64.98)  
  yes 48(25) 100(17.33)   27(22.69) 56(15.51)   35(48.61) 76(35.02)  
CHD,n(%)    0.238    0.256    0.024
  no 125(65.1) 402(69.67)   82(68.91) 268(74.24)   36(50) 141(64.98)  
  yes 67(34.9) 175(30.33)   37(31.09) 93(25.76)   36(50) 76(35.02)  
COPD, n(%)    0.001    0.081    0.734
  no 164(85.42) 426(73.83)   89(74.79) 239(66.2)   66(91.67) 196(90.32)  
  yes 28(14.58) 151(26.17)   30(25.21) 122(33.8)   6(8.33) 21(9.68)  
  1. SI sarcopenia index, ALB serum albumin, CHD coronary heart disease, COPD chronic obstructive pulmonary disease