Development and Validation of IBSA Photographic Scale for the Assessment of Inner Upper Arm Laxity

Figures & data

Figure 1 Structure of the upper arm. Deep Layer. Superficial Layer.

Figure 2 Algorithm of development and assessment of the IBSA inner arm laxity scale.

Figure 3 Continue.

Figure 3 The 5-grade IBSA inner arm laxity scale. Grade 1. Grade 2. Grade 3. Grade 4. Grade 5.

Table 1 Intra-Rater Reliability with the Weighted Kappa Scores Calculated with the Fleiss-Cohen Weights and Upper and Lower Confidence Interval Limits Combined

	Weighted Kappa	95% Confidence Interval Limits
Expert 1	0.8230	0.7151–0.8879
Expert 2	0.8271	0.7266–0.9062
Expert 3	0.8162	0.7254–0.8813
Expert 4	1.0000	1.0000–1.0000
Expert 5	0.7499	0.6556–0.8397
TOTAL	0.8460	0.8083–0.8806

Table 2 Overall Inter-Rater Reliability as Described by Shrout-Fleiss

	Shrout-Fleiss Reliability – Random Set
Evaluation 1	0.9191
Evaluation 2	0.9148
TOTAL	0.9527