Table 7

Phase contract microscopy (PCM) adjustment factors – overall plant summaries

Fibre diameter, μmFibre length, μmPlant 1Plant 3Plant 4
PCM factor (CI)*†PCM factor (CI)†PCM factor (CI)†
<0.25<1.57.274 (6.668 to 7.946)8.325 (7.546 to 9.215)9.150 (8.534 to 9.803)
1.5–3.02.583(2.347 to 2.854)2.508 (2.215 to 2.797)4.094 (3.779 to 4.425)
>3.0–5.01.094 (0.970 to 1.231)0.973 (0.828 to 1.118)1.507 (1.360 to 1.661)
>5.0–10.00.597 (0.539 to 0.666)0.604 (0.545 to 0.676)1.184 (1.104 to 1.270)
>10.0–15.00.1534(0.129 to 0.180)0.196 (0.165 to 0.229)0.301 (0.272 to 0.331)
>15.0–20.00.090 (0.076 to 0.104)0.113 (0.093 to 0.136)0.111 (0.098 to 0.124)
>20.0–40.00.097 (0.083 to 0.111)0.132 (0.111 to 0.155)0.145 (0.131 to 0.159)
>40.00.035 (0.027 to 0.044)0.047 (0.036 to 0.059)0.044 (0.037 to 0.052)
0.25–1.0<1.50.142 (0.104 to 0.187)0.214 (0.163 to 0.272)0.366 (0.312 to 0.424)
1.5–3.00.360 (0.293 to 0.430)0.453 (0.371 to 0.532)0.778 (0.696 to 0.863)
>3.0–5.00.285 (0.228 to 0.342)0.298 (0.236 to 0.368)0.571 (0.497 to 0.648)
>5.0–10.00.329 (0.299 to 0.355)0.311 (0.278 to 0.343)0.419 (0.394 to 0.445)
>10.0–15.00.118 (0.097 to 0.140)0.125 (0.103 to 0.148)0.159 (0.139 to 0.179)
>15.0–20.00.067 (0.055 to 0.079)0.076 (0.062 to 0.090)0.059 (0.052 to 0.068)
>20.0–40.00.127 (0.113 to 0.141)0.118 (0.100 to 0.136)0.087 (0.077 to 0.097)
>40.00.086 (0.074 to 0.099)0.062 (0.049 to 0.075)0.053 (0.046 to 0.061)
>1.0–3.0>1.5–3.00.012 (0.004 to 0.021)0.017 (0.004 to 0.036)0.009 (0.003 to 0.017)
>3.0–5.00.029 (0.014 to 0.044)0.040 (0.019 to 0.064)0.049 (0.030 to 0.069)
>5.0–10.00.075 (0.059 to 0.092)0.083 (0.066 to 0.101)0.070 (0.057 to 0.083)
>10.0–15.00.0400 (0.028 to 0.052)0.061 (0.047 to 0.077)0.048 (0.036 to 0.062)
>15.0–20.00.032 (0.025 to 0.039)0.037 (0.027 to 0.048)0.022 (0.017 to 0.027)
>20.0–40.00.045 (0.036 to 0.055)0.042 (0.032 to 0.055)0.032 (0.026 to 0.038)
>40.00.036 (0.029 to 0.044)0.015 (0.009 to 0.023)0.013 (0.010 to 0.017)
>3.0>5.0–10.00.0000 (0.000 to 0.000)0.003 (0.000 to 0.007)0.005 (0.002 to 0.009)
>10.0–15.00.013 (0.006 to 0.021)0.012 (0.004 to 0.018)0.011 (0.006 to 0.016)
>15.0–20.00.007 (0.003 to 0.010)0.009 (0.004 to 0.014)0.006 (0.003 to 0.009)
>20.0–40.00.017 (0.012 to 0.023)0.030 (0.021 to 0.039)0.010(0.007 to 0.013)
>40.00.008 (0.004 to 0.012)0.018 (0.011 to 0.026)0.007 (0.004 to 0.010)
  • *PCM factors are rounded to the third decimal for presentation. †Lower 5% and upper 95% confidence intervals from bootstrap analyses.