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. 2022 Nov 23;22(23):9069. doi: 10.3390/s22239069

Table 4.

Mean, standard deviation and reliability values of the performance parameters using the required number of trials for the computation.

Club Performance Parameter Test Retest t9 p-Value ICC SEM MDC
Driver (Seven Shots) Ball speed (km/h) 175.77 (34.83) 178.39 (36.55) −0.71 0.5 0.97 5.77 16
Club speed (km/h) 132.91 (23.21) 131.17 (24.16) 0.88 0.4 0.98 3.09 8.56
Smash factor 1.33 (0.08) 1.36 (0.06) −1.64 0.14 0.86 0.03 0.07
Carry distance (m) 129.60 (41.56) 134.16 (45.63) −0.84 0.42 0.96 8.6 23.85
Total distance (m) 140.52 (39.68) 143.90 (42.30) −0.68 0.51 0.96 7.79 21.6
Roll distance (m) 11.00 (6.09) 9.75 (7.79) 0.64 0.54 0.77 3.32 9.21
Spin rate (rpm) 3803.54 (1008.35) 3978.11 (881.99) −0.76 0.47 0.83 386.68 1071.81
Apex height (m) 16.68 (8.99) 17.91 (8.35) −0.79 0.45 0.92 2.52 6.98
Flight time (s) 4.57 (1.29) 4.79 (1.34) −1.05 0.32 0.93 0.34 0.94
Angle of attack (°) 2.95 (1.67) 2.83 (1.98) 0.36 0.72 0.91 0.54 1.51
Spin loft (°) 22.46 (8.75) 21.65 (8.35) 0.44 0.67 0.88 2.97 8.23
Spin axis (°) 23.89 (11.64) 26.58 (17.78) −0.41 0.69 0.13 13.75 38.12
Lateral distance (m) 13.76 (6.47) 20.12 (25.84) −0.77 0.46 0.08 15.51 43
Launch direction (°) 4.57 (1.94) 4.88 (1.83) −0.43 0.68 0.49 1.34 3.73
Launch angle (°) 15.29 (4.43) 15.35 (3.61) −0.04 0.97 0.43 3.02 8.38
Six Iron (Ten shots) Ball speed (km/h) 144.68 (31.34) 140.34 (33.84) 1.43 0.19 0.98 5.09 17.19
Club speed (km/h) 115.56 (21.43) 112.26 (23.53) 1.03 0.33 0.95 5.20 8.45
Smash factor 1.25 (0.07) 1.24 (0.07) 0.42 0.69 0.88 0.02 0.08
Carry distance (m) 100.58 (32.21) 94.52 (35.46) 1.75 0.12 0.97 6.08 24.79
Total distance (m) 105.15 (30.29) 100.04 (32.81) 1.73 0.12 0.97 5.15 22.23
Roll distance (m) 4.57 (3.61) 5.54 (5.53) −1.01 0.34 0.88 1.58 10.32
Spin rate (rpm) 5488.64 (898.82) 5476.29 (957.06) 0.07 0.95 0.91 285.20 1354.80
Apex height (m) 15.55 (6.93) 14.60 (8.28) 0.80 0.45 0.94 1.91 6.85
Flight time (s) 4.34 (1.10) 4.14 (1.28) 1.26 0.24 0.95 0.28 0.98
Angle of attack (°) 6.33 (2.22) 6.77 (2.14) −1.33 0.22 0.94 0.55 1.16
Spin loft (°) 36.47 (8.83) 37.66 (9.55) −0.66 0.53 0.90 2.91 8.38
Spin axis (°) 12.21 (8.20) 16.12 (15.06) −0.74 0.48 0.09 11.07 37.36
Lateral distance (m) 7.53 (4.27) 17.45 (26.53) −1.17 0.27 0.00 15.42 45.88
Launch direction (°) 3.23 (1.25) 6.77 (6.11) −1.74 0.12 −0.11 3.88 4.59
Launch angle (°) 18.58 (4.09) 18.8 (5.26) −0.26 0.80 0.91 1.41 7.55

ICC = intraclass correlation coefficient; SEM = standard error of the measurement; MDC = minimum detectable change.