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. 2016 Jun 27;6:28477. doi: 10.1038/srep28477

Table 4. Mean(SD) of Tumor size(mm) by patient demographics.

  All patients n = 45904 Caucasian n = 37532 African-American n = 4745 Asian n = 3627
Race-mean(SD)
 Caucasian 35.78(21.36)
 African-American 38.89(22.20)
 Asian 33.46(19.60)
Sex-mean(SD)
 Male 38.63(22.05) 38.44(22.02) 41.64(22.80) 36.61(20.91)
 Female 33.13(20.22) 33.08(20.31) 35.87(21.11) 30.04(17.43)
Grade-mean(SD)
 Well-differentiated 25.71(16.97) 25.74(16.92) 26.62(17.12) 24.62(17.23)
 Moderately-differentiated 33.86(20.19) 33.83(20.29) 36.06(21.27) 31.85(17.91)
 Poorly-differentiated 41.73(22.05) 41.39(22.06) 44.23(22.39) 41.53(20.85)
 Undifferentiated 42.70(23.25) 43.00(23.57) 46.07(24.12) 34.19(15.21)
Histology-mean(SD)
 Squamous cell carcinoma 42.47(22.37) 42.01(22.36) 45.64(22.86) 43.58(20.94)
 Adenocarcinoma 32.41(19.91) 32.26(19.92) 35.20(20.93) 30.65(18.24)
Site-mean(SD)
 Upper lobe 35.73(21.41) 35.51(21.36) 38.98(22.50) 33.36(19.79)
 Middle lobe 31.87(19.72) 32.25(20.08) 34.67(20.54) 26.67(15.09)
 Lower lobe 36.00(21.16) 35.90(21.26) 38.13(21.32) 34.74(19.80)
 Main bronchus 49.49(20.66) 49.10(20.62) 53.14(21.62) 46.51(17.52)

SD: Standard deviation.