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Table 3 Multivariable parameter estimates from the Full and MSI models a

From: Prognostic survival model for people diagnosed with invasive cutaneous melanoma

Variable Beta coefficient [95% confidence interval]
  Full model MSI model
Gender   
 Male 0.000 a Not included
 Female −0.147 [−0.207, −0.086]
Age at diagnosis (transformed) 0.007 [0.005, 0.008] 0.007 [0.005, 0.009]
Thickness (original) 0.044 [0.030, 0.058] 0.038 [0.025, 0.050]
SRT_Thickness (transformed)b 1.593 [1.394, 1.792] 1.830 [1.697, 1.963]
Body site   
 Scalp 0.376 [0.233, 0.519] 0.348 [0.210, 0.486]
 Face/Lip/Eyelid −0.063 [−0.173, 0.046] −0.110 [−0.215, −0.004]
 Ear/Neck −0.025 [−0.141, 0.091] −0.041 [−0.156, 0.073]
 Chest/Axilla −0.108 [−0.250, 0.033] −0.102 [−0.244, 0.039]
 Abdomen + Hip 0.148 [−0.010, 0.307] 0.143 [−0.015, 0.301]
 Back/Buttocks 0.000 a 0.000 a
 Upper arm/Forearm/Hand/Finger/sb.handc −0.321 [−0.425, −0.218] −0.361 [−0.463, −0.259]
 Foot/sb.foot/heel/toec 0.174 [−0.031, 0.378] 0.089 [−0.089, 0.267]
 Thigh/leg/ankle −0.251 [−0.339, −0.163] −0.291 [−0.376, −0.206]
 Shoulder −0.079 [−0.187, 0.029] −0.099 [−0.207, 0.009]
Morphology   Not included
 SSM 0.000 a
 Nodular melanoma 0.076 [−0.005, 0.158]
 MM in junctional naevus 0.085 [−0.154, 0.325]
 Lentigo Maligna melanoma −0.084 [−0.244, 0.077]
 Acral lentiginous melanoma −0.081 [−0.402, 0.241]
 Other specified melanoma −0.232 [−0.355, −0.109]
 Malignant melanoma NOSd 0.014 [−0.057, 0.086]
Ulceration   
 No ulceration 0.000 a 0.000 a
 Known ulceration 0.357 [0.277, 0.437] 0.378 [0.300, 0.456]
Positive lymph nodes   
 None 0.000 a 0.000 a
 At least one 0.753 [0.593, 0.912] 0.779 [0.620, 0.938]
Metastasis   
 No 0.000 a 0.000 a
 Yes 1.062 [0.861, 1.262] 1.062 [0.861, 1.262]
Clarks Level   
 Into papillary dermis 0.000 a Not included
 Filling papillary dermis 0.153 [0.052, 0.253]
 Into reticular dermis 0.193 [0.072, 0.314]
 Into subcutaneous fat 0.197 [0.024, 0.370]
  1. Note: adenotes the reference category.
  2. bSRT_Thickness is the smooth rank transform of the thickness variable (see Methods for details).
  3. csb = subungal; dNOS = Not otherwise specified.