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Table 1 Baseline variables of patients before and after matching

From: Comparison of radiological and clinical outcomes, complications, and implant removals in anatomically pre-contoured clavicle plates versus reconstruction plates – a propensity score matched retrospective cohort study of 106 patients

  Before Matching After Matching
ALCP (n = 59) RLCP (n = 55) Std Mean Diffa p value* ALCP (n = 53) RLCP (n = 53) Std Mean Diffa p value*
Mean Age (Mean, (range)) 41.4 (16–71) 42.5 (18–84) 0.068 0.779 40.7 (16–71) 42.1 (18–77) 0.091 0.620
Males 80% (47) 78% 43 −0.036 0.847 79% (42) 77% (41) −0.045 0.815
Lateral 2/5 shaft fractures 19% (11) 13% (7) −0.162 0.389 13% (7) 13% (7) 0.000 1.000
AO Type 15.2 B/C: Wedge or comminuted fractures 64% (38) 71% (39) 0.138 0.461 64% (34) 70% (37) 0.119 0.537
High energy injury 58% (34) 55% (30) −0.062 0.741 53% (28) 55% (29) 0.037 0.846
Operated by specialist with experience above 6 yearsb 92% (54) 93% (51) 0.044 0.813 91% (48) 92% (49) 0.067 0.729
Concomitant fracturesb 12% (7) 18% (10) 0.177 0.346 11% (6) 17% (9) 0.162 0.405
Open fractureb 0% (0) 1.8% (1) 0.270 0.300 0% (0) 1.8% (1) 0.275 0.317
ASA 1/2/3b (36/19/4) (30/21/4)   0.512 (33/17/3) (29/21/3)   0.467
  1. aStd. Mean difference = Mean difference / Mean standard deviation
  2. bFactors not included in PSM
  3. *Mann-Whitney test