Table 1.

Individual and group changes from previous days and baseline for LnRMSSD and Stress Score in First Eleven group.

Player	Ln rMSSD						Stress score
	Change from previous day			Change from baseline			Change from previous day			Change from baseline
	MD + 1	MD + 2	MD2	MD + 1	MD + 2	MD2	MD + 1	MD + 2	MD2	MD + 1	MD + 2	MD2
1	=	?	=	?	?	=	↑	↓	=	↑	↑	↑
2	?	?	↓	=	=	↓	=	↓	↑	↑	↑	↑
3	↓	↑	=	↓	↓	↓	↑	↓	?	↑	=	↑
4	↓	↑	?	↓	↑	=	↑	↓	↑	↑	↑	↑
5	?	?	?	=	=	=	?	?	?	?	?	?
6	?	↑	?	?	↑	↑	↑	↓	↑	↑	?	↑
7	?	?	=	?	?	=	↑	?	↓	↑	↑	?
8	↓	↑	↑	↓	=	↑	↑	↓	?	↑	=	↓
9	=	↑	↓	↓	↑	=	↑	↓	↑	↑	↓	↓
10	↑	↑	=	↑	↑	↑	↓	?	?	↓	↓	↓
11	↓	↑	↓	↓	↑	↑	↑	↓	=	↑	=	?
12	=	↑	=	=	↑	↑	=	↓	=	=	↓	↓
13	↓	↑	?	↓	=	=	↑	=	=	↑	↑	↑
14	?	=	?	?	?	?	↑	=	↓	↑	↑	↑
15	↓	↑	↑	↓	↓	?	=	↓	↓	↑	=	=
16	?	?	?	?	?	?	↑	=	↑	?	=	?
17	↓	↑	=	↓	↑	=	↑	↓	?	↑	?	?
Group	↓ 0.026 (0.597)	↑  < 0.001 (− 0.978)	=  0.703 (0.094)	↓ 0.015 (0.686)	↑ 0.005 (− 0.784)	↑ 0.021 (− 0.620)	↑ 0.002 (− 0.732)	↓  < 0.001 (0.890)	=  0.285 (− 0.268)	↑ 0.006 (− 0.773)	↓ 0.023 (0.608)	=  0.253 (0.288)

↑) increase; ↓) decrease; =) non-substantial/significant change; ?= unclear change. Group changes are shown as p value (cohen-d).