Facultad de Ciencias del Deporte. AFIDES Research Group, Universidad de Extremadura, Spain.
J Sports Sci Med. 2012 Sep 1;11(3):475-82. eCollection 2012.
The aims of this study were (i) to compare women's water polo game-related statistics by match outcome (winning and losing teams) and phase (preliminary, classificatory, and semi-final/bronze medal/gold medal), and (ii) identify characteristics that discriminate performances for each phase. The game-related statistics of the 124 women's matches played in five International Championships (World and European Championships) were analyzed. Differences between winning and losing teams in each phase were determined using the chi-squared. A discriminant analysis was then performed according to context in each of the three phases. It was found that the game-related statistics differentiate the winning from the losing teams in each phase of an international championship. The differentiating variables were both offensive (centre goals, power-play goals, counterattack goal, assists, offensive fouls, steals, blocked shots, and won sprints) and defensive (goalkeeper-blocked shots, goalkeeper-blocked inferiority shots, and goalkeeper-blocked 5-m shots). The discriminant analysis showed the game-related statistics to discriminate performance in all phases: preliminary, classificatory, and final phases (92%, 90%, and 83%, respectively). Two variables were discriminatory by match outcome (winning or losing teams) in all three phases: goals and goalkeeper-blocked shots. Key pointsThe preliminary phase that more than one variable was involved in this differentiation, including both offensive and defensive aspects of the game.The game-related statistics were found to have a high discriminatory power in predicting the result of matches with shots and goalkeeper-blocked shots being discriminatory variables in all three phases.Knowledge of the characteristics of women's water polo game-related statistics of the winning teams and their power to predict match outcomes will allow coaches to take these characteristics into account when planning training and match preparation.
（i）比较女子水球比赛结果（获胜和失败队伍）和阶段（预赛、资格赛和半决赛/铜牌/金牌）的相关统计数据；（ii）确定区分每个阶段表现的特征。分析了在五届国际锦标赛（世界和欧洲锦标赛）中进行的 124 场女子比赛的比赛相关统计数据。使用卡方检验确定每个阶段中获胜和失败队伍之间的差异。然后根据每个阶段的上下文分别进行判别分析。结果发现，在国际锦标赛的每个阶段，比赛相关统计数据都能区分获胜队伍和失败队伍。区分变量包括进攻（中锋进球、点球进球、反击进球、助攻、进攻犯规、抢断、盖帽和获胜冲刺）和防守（守门员盖帽、守门员阻挡劣势射门和守门员阻挡 5 米射门）。判别分析表明，比赛相关统计数据在所有阶段（预赛、资格赛和决赛阶段）都能区分表现（分别为 92%、90%和 83%）。两个变量在所有三个阶段的比赛结果（获胜或失败队伍）中都具有区分能力：进球和守门员盖帽。要点在初步阶段，有多个变量参与了这种分化，包括比赛的进攻和防守方面。比赛相关统计数据在预测比赛结果方面具有很高的区分能力，其中射门和守门员盖帽是所有三个阶段的区分变量。了解获胜队伍的女子水球比赛相关统计数据的特征及其预测比赛结果的能力，将使教练在制定训练和比赛准备计划时考虑到这些特征。
